Fix typos in the comments of the built-in examples

build/shared/examples/01.Basics/AnalogReadSerial/AnalogReadSerial.ino

@@ -1,7 +1,7 @@
 /*
   AnalogReadSerial
-  Reads an analog input on pin 0, prints the result to the serial monitor.
+  Reads an analog input on pin 0, prints the result to the Serial Monitor.
-  Graphical representation is available using serial plotter (Tools > Serial Plotter menu)
+  Graphical representation is available using Serial Plotter (Tools > Serial Plotter menu)
   Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground.
 
   This example code is in the public domain.

build/shared/examples/01.Basics/Blink/Blink.ino

@@ -1,12 +1,12 @@
 /*
   Blink
-  Turns on an LED on for one second, then off for one second, repeatedly.
+  Turns an LED on for one second, then off for one second, repeatedly.
 
   Most Arduinos have an on-board LED you can control. On the UNO, MEGA and ZERO 
   it is attached to digital pin 13, on MKR1000 on pin 6. LED_BUILTIN is set to
   the correct LED pin independent of which board is used.
   If you want to know what pin the on-board LED is connected to on your Arduino model, check
-  the Technical Specs of your board  at https://www.arduino.cc/en/Main/Products
+  the Technical Specs of your board at https://www.arduino.cc/en/Main/Products
   
   This example code is in the public domain.
 

build/shared/examples/01.Basics/DigitalReadSerial/DigitalReadSerial.ino

@@ -1,6 +1,6 @@
 /*
   DigitalReadSerial
- Reads a digital input on pin 2, prints the result to the serial monitor
+ Reads a digital input on pin 2, prints the result to the Serial Monitor
 
  This example code is in the public domain.
  */

build/shared/examples/01.Basics/ReadAnalogVoltage/ReadAnalogVoltage.ino

@@ -1,7 +1,7 @@
 /*
   ReadAnalogVoltage
-  Reads an analog input on pin 0, converts it to voltage, and prints the result to the serial monitor.
+  Reads an analog input on pin 0, converts it to voltage, and prints the result to the Serial Monitor.
-  Graphical representation is available using serial plotter (Tools > Serial Plotter menu)
+  Graphical representation is available using Serial Plotter (Tools > Serial Plotter menu)
   Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground.
 
   This example code is in the public domain.

build/shared/examples/01.Basics/ReadAnalogVoltage/ReadAnalogVoltage.txt

@@ -1 +1 @@
-Reads an analog input and prints the voltage to the serial monitor.
+Reads an analog input and prints the voltage to the Serial Monitor.

build/shared/examples/02.Digital/BlinkWithoutDelay/BlinkWithoutDelay.ino

@@ -10,7 +10,7 @@
   it is attached to digital pin 13, on MKR1000 on pin 6. LED_BUILTIN is set to
   the correct LED pin independent of which board is used.
   If you want to know what pin the on-board LED is connected to on your Arduino model, check
-  the Technical Specs of your board  at https://www.arduino.cc/en/Main/Products
+  the Technical Specs of your board at https://www.arduino.cc/en/Main/Products
 
  created 2005
  by David A. Mellis
@@ -27,17 +27,17 @@
  http://www.arduino.cc/en/Tutorial/BlinkWithoutDelay
  */
 
-// constants won't change. Used here to set a pin number :
+// constants won't change. Used here to set a pin number:
 const int ledPin =  LED_BUILTIN;// the number of the LED pin
 
-// Variables will change :
+// Variables will change:
 int ledState = LOW;             // ledState used to set the LED
 
 // Generally, you should use "unsigned long" for variables that hold time
 // The value will quickly become too large for an int to store
 unsigned long previousMillis = 0;        // will store last time LED was updated
 
-// constants won't change :
+// constants won't change:
 const long interval = 1000;           // interval at which to blink (milliseconds)
 
 void setup() {

build/shared/examples/02.Digital/Debounce/Debounce.ino

@@ -40,7 +40,7 @@ int ledState = HIGH;         // the current state of the output pin
 int buttonState;             // the current reading from the input pin
 int lastButtonState = LOW;   // the previous reading from the input pin
 
-// the following variables are unsigned long's because the time, measured in miliseconds,
+// the following variables are unsigned longs because the time, measured in milliseconds,
 // will quickly become a bigger number than can be stored in an int.
 unsigned long lastDebounceTime = 0;  // the last time the output pin was toggled
 unsigned long debounceDelay = 50;    // the debounce time; increase if the output flickers
@@ -58,7 +58,7 @@ void loop() {
   int reading = digitalRead(buttonPin);
 
   // check to see if you just pressed the button
-  // (i.e. the input went from LOW to HIGH),  and you've waited
+  // (i.e. the input went from LOW to HIGH), and you've waited
   // long enough since the last press to ignore any noise:
 
   // If the switch changed, due to noise or pressing:

build/shared/examples/02.Digital/DigitalInputPullup/DigitalInputPullup.ino

@@ -1,8 +1,8 @@
 /*
- Input Pullup Serial
+ Input Pull-up Serial
 
  This example demonstrates the use of pinMode(INPUT_PULLUP). It reads a
- digital input on pin 2 and prints the results to the serial monitor.
+ digital input on pin 2 and prints the results to the Serial Monitor.
 
  The circuit:
  * Momentary switch attached from pin 2 to ground
@@ -24,7 +24,7 @@
 void setup() {
   //start serial connection
   Serial.begin(9600);
-  //configure pin2 as an input and enable the internal pull-up resistor
+  //configure pin 2 as an input and enable the internal pull-up resistor
   pinMode(2, INPUT_PULLUP);
   pinMode(13, OUTPUT);
 
@@ -36,7 +36,7 @@ void loop() {
   //print out the value of the pushbutton
   Serial.println(sensorVal);
 
-  // Keep in mind the pullup means the pushbutton's
+  // Keep in mind the pull-up means the pushbutton's
   // logic is inverted. It goes HIGH when it's open,
   // and LOW when it's pressed. Turn on pin 13 when the
   // button's pressed, and off when it's not:

build/shared/examples/02.Digital/StateChangeDetection/StateChangeDetection.ino

@@ -53,21 +53,21 @@ void loop() {
     // if the state has changed, increment the counter
     if (buttonState == HIGH) {
       // if the current state is HIGH then the button
-      // wend from off to on:
+      // went from off to on:
       buttonPushCounter++;
       Serial.println("on");
       Serial.print("number of button pushes:  ");
       Serial.println(buttonPushCounter);
     } else {
       // if the current state is LOW then the button
-      // wend from on to off:
+      // went from on to off:
       Serial.println("off");
     }
     // Delay a little bit to avoid bouncing
     delay(50);
   }
   // save the current state as the last state,
-  //for next time through the loop
+  // for next time through the loop
   lastButtonState = buttonState;
 
 

build/shared/examples/03.Analog/AnalogInOutSerial/AnalogInOutSerial.ino

@@ -2,8 +2,8 @@
   Analog input, analog output, serial output
 
  Reads an analog input pin, maps the result to a range from 0 to 255
- and uses the result to set the pulsewidth modulation (PWM) of an output pin.
+ and uses the result to set the pulse width modulation (PWM) of an output pin.
- Also prints the results to the serial monitor.
+ Also prints the results to the Serial Monitor.
 
  The circuit:
  * potentiometer connected to analog pin 0.
@@ -40,7 +40,7 @@ void loop() {
   // change the analog out value:
   analogWrite(analogOutPin, outputValue);
 
-  // print the results to the serial monitor:
+  // print the results to the Serial Monitor:
   Serial.print("sensor = ");
   Serial.print(sensorValue);
   Serial.print("\t output = ");

build/shared/examples/03.Analog/AnalogInput/AnalogInput.ino

@@ -1,7 +1,7 @@
 /*
   Analog Input
  Demonstrates analog input by reading an analog sensor on analog pin 0 and
- turning on and off a light emitting diode(LED)  connected to digital pin 13.
+ turning on and off a light emitting diode(LED) connected to digital pin 13.
  The amount of time the LED will be on and off depends on
  the value obtained by analogRead().
 

build/shared/examples/03.Analog/AnalogWriteMega/AnalogWriteMega.ino

@@ -2,7 +2,7 @@
   Mega analogWrite() test
 
   This sketch fades LEDs up and down one at a time on digital pins 2 through 13.
-  This sketch was written for the Arduino Mega, and will not work on previous boards.
+  This sketch was written for the Arduino Mega, and will not work on other boards.
 
   The circuit:
   * LEDs attached from pins 2 through 13 to ground.
@@ -34,7 +34,7 @@ void loop() {
       analogWrite(thisPin, brightness);
       delay(2);
     }
-    // fade the LED on thisPin from brithstest to off:
+    // fade the LED on thisPin from brightest to off:
     for (int brightness = 255; brightness >= 0; brightness--) {
       analogWrite(thisPin, brightness);
       delay(2);

build/shared/examples/03.Analog/Smoothing/Smoothing.ino

@@ -24,7 +24,7 @@
 // Define the number of samples to keep track of.  The higher the number,
 // the more the readings will be smoothed, but the slower the output will
 // respond to the input.  Using a constant rather than a normal variable lets
-// use this value to determine the size of the readings array.
+// us use this value to determine the size of the readings array.
 const int numReadings = 10;
 
 int readings[numReadings];      // the readings from the analog input

build/shared/examples/04.Communication/ASCIITable/ASCIITable.ino

@@ -33,22 +33,22 @@ void setup() {
 // first visible ASCIIcharacter '!' is number 33:
 int thisByte = 33;
 // you can also write ASCII characters in single quotes.
-// for example. '!' is the same as 33, so you could also use this:
+// for example, '!' is the same as 33, so you could also use this:
-//int thisByte = '!';
+// int thisByte = '!';
 
 void loop() {
   // prints value unaltered, i.e. the raw binary version of the
-  // byte. The serial monitor interprets all bytes as
+  // byte. The Serial Monitor interprets all bytes as
   // ASCII, so 33, the first number,  will show up as '!'
   Serial.write(thisByte);
 
   Serial.print(", dec: ");
   // prints value as string as an ASCII-encoded decimal (base 10).
-  // Decimal is the  default format for Serial.print() and Serial.println(),
+  // Decimal is the default format for Serial.print() and Serial.println(),
   // so no modifier is needed:
   Serial.print(thisByte);
   // But you can declare the modifier for decimal if you want to.
-  //this also works if you uncomment it:
+  // this also works if you uncomment it:
 
   // Serial.print(thisByte, DEC);
 

build/shared/examples/04.Communication/Dimmer/Dimmer.ino

@@ -1,7 +1,7 @@
 /*
   Dimmer
 
- Demonstrates the sending data from the computer to the Arduino board,
+ Demonstrates sending data from the computer to the Arduino board,
  in this case to control the brightness of an LED.  The data is sent
  in individual bytes, each of which ranges from 0 to 255.  Arduino
  reads these bytes and uses them to set the brightness of the LED.
@@ -45,7 +45,7 @@ void loop() {
 /* Processing code for this example
  // Dimmer - sends bytes over a serial port
  // by David A. Mellis
- //This example code is in the public domain.
+ // This example code is in the public domain.
 
  import processing.serial.*;
  Serial port;

build/shared/examples/04.Communication/Graph/Graph.ino

@@ -8,7 +8,7 @@
  a USB cable. Bytes are sent one after another (serially) from the Arduino
  to the computer.
 
- You can use the Arduino serial monitor to view the sent data, or it can
+ You can use the Arduino Serial Monitor to view the sent data, or it can
  be read by Processing, PD, Max/MSP, or any other program capable of reading
  data from a serial port.  The Processing code below graphs the data received
  so you can see the value of the analog input changing over time.
@@ -67,15 +67,15 @@ void setup () {
   // if using Processing 2.1 or later, use Serial.printArray()
   println(Serial.list());
 
-  // I know that the first port in the serial list on my mac
+  // I know that the first port in the serial list on my Mac
-  // is always my  Arduino, so I open Serial.list()[0].
+  // is always my Arduino, so I open Serial.list()[0].
   // Open whatever port is the one you're using.
   myPort = new Serial(this, Serial.list()[0], 9600);
 
   // don't generate a serialEvent() unless you get a newline character:
   myPort.bufferUntil('\n');
 
-  // set inital background:
+  // set initial background:
   background(0);
 }
 void draw () {

build/shared/examples/04.Communication/Midi/Midi.ino

@@ -23,7 +23,7 @@
  */
 
 void setup() {
-  //  Set MIDI baud rate:
+  // Set MIDI baud rate:
   Serial.begin(31250);
 }
 
@@ -39,8 +39,8 @@ void loop() {
   }
 }
 
-//  plays a MIDI note.  Doesn't check to see that
+// plays a MIDI note.  Doesn't check to see that
-//  cmd is greater than 127, or that data values are  less than 127:
+// cmd is greater than 127, or that data values are less than 127:
 void noteOn(int cmd, int pitch, int velocity) {
   Serial.write(cmd);
   Serial.write(pitch);

build/shared/examples/04.Communication/MultiSerial/MultiSerial.ino

@@ -1,5 +1,5 @@
 /*
-  Multple Serial test
+  Multiple Serial test
 
  Receives from the main serial port, sends to the others.
  Receives from serial port 1, sends to the main serial (Serial 0).

build/shared/examples/04.Communication/PhysicalPixel/PhysicalPixel.ino

@@ -6,7 +6,7 @@
  it receives the character 'H', and turns off the LED when it
  receives the character 'L'.
 
- The data can be sent from the Arduino serial monitor, or another
+ The data can be sent from the Arduino Serial Monitor, or another
  program like Processing (see code below), Flash (via a serial-net
  proxy), PD, or Max/MSP.
 
@@ -51,7 +51,7 @@ void loop() {
 
 /* Processing code for this example
 
- // mouseover serial
+ // mouse over serial
 
  // Demonstrates how to send data to the Arduino I/O board, in order to
  // turn ON a light if the mouse is over a square and turn it off
@@ -108,7 +108,7 @@ void loop() {
  port.write('H');
  }
  else {
- // return the box to it's inactive state:
+ // return the box to its inactive state:
  stroke(153);
  fill(153);
  // send an 'L' to turn the LED off:

build/shared/examples/04.Communication/SerialCallResponse/SerialCallResponse.ino

@@ -51,7 +51,7 @@ void loop() {
     delay(10);
     // read second analog input, divide by 4 to make the range 0-255:
     secondSensor = analogRead(1) / 4;
-    // read  switch, map it to 0 or 255L
+    // read switch, map it to 0 or 255L
     thirdSensor = map(digitalRead(2), 0, 1, 0, 255);
     // send sensor values:
     Serial.write(firstSensor);
@@ -94,8 +94,8 @@ void setup() {
   // if using Processing 2.1 or later, use Serial.printArray()
   println(Serial.list());
 
-  // I know that the first port in the serial list on my mac
+  // I know that the first port in the serial list on my Mac
-  // is always my  FTDI adaptor, so I open Serial.list()[0].
+  // is always my FTDI adaptor, so I open Serial.list()[0].
   // On Windows machines, this generally opens COM1.
   // Open whatever port is the one you're using.
   String portName = Serial.list()[0];

build/shared/examples/04.Communication/SerialCallResponseASCII/SerialCallResponseASCII.ino

@@ -54,7 +54,7 @@ void loop() {
     firstSensor = analogRead(A0);
     // read second analog input:
     secondSensor = analogRead(A1);
-    // read  switch, map it to 0 or 255L
+    // read switch, map it to 0 or 255
     thirdSensor = map(digitalRead(2), 0, 1, 0, 255);
     // send sensor values:
     Serial.print(firstSensor);
@@ -92,8 +92,8 @@ void setup() {
  // if using Processing 2.1 or later, use Serial.printArray()
   println(Serial.list());
 
-  // I know that the first port in the serial list on my mac
+  // I know that the first port in the serial list on my Mac
-  // is always my  Arduino module, so I open Serial.list()[0].
+  // is always my Arduino board, so I open Serial.list()[0].
   // Change the 0 to the appropriate number of the serial port
   // that your microcontroller is attached to.
   myPort = new Serial(this, Serial.list()[0], 9600);
@@ -112,7 +112,7 @@ void draw() {
   ellipse(xpos, ypos, 20, 20);
 }
 
-// serialEvent  method is run automatically by the Processing applet
+// serialEvent method is run automatically by the Processing applet
 // whenever the buffer reaches the  byte value set in the bufferUntil()
 // method in the setup():
 

build/shared/examples/04.Communication/SerialEvent/SerialEvent.ino

@@ -20,7 +20,7 @@
 
  */
 
-String inputString = "";         // a string to hold incoming data
+String inputString = "";         // a String to hold incoming data
 boolean stringComplete = false;  // whether the string is complete
 
 void setup() {

build/shared/examples/04.Communication/SerialPassthrough/SerialPassthrough.ino

@@ -8,7 +8,7 @@
   the Arduino UNO (commonly used to interact with devices/shields that
   require configuration via serial AT commands) will not work by default.
 
-  This sketch allows you to  emulate the serial passthrough behaviour.
+  This sketch allows you to emulate the serial passthrough behaviour.
   Any text you type in the IDE Serial monitor will be written
   out to the serial port on Digital pins 0 and 1, and vice-versa.
 

build/shared/examples/04.Communication/VirtualColorMixer/VirtualColorMixer.ino

@@ -51,8 +51,8 @@ void setup() {
   // if using Processing 2.1 or later, use Serial.printArray()
   println(Serial.list());
 
-  // I know that the first port in the serial list on my mac
+  // I know that the first port in the serial list on my Mac
-  // is always my  Arduino, so I open Serial.list()[0].
+  // is always my Arduino, so I open Serial.list()[0].
   // Open whatever port is the one you're using.
   myPort = new Serial(this, Serial.list()[0], 9600);
   // don't generate a serialEvent() unless you get a newline character:

build/shared/examples/05.Control/Arrays/Arrays.ino

@@ -1,7 +1,7 @@
 /*
   Arrays
 
- Demonstrates the use of  an array to hold pin numbers
+ Demonstrates the use of an array to hold pin numbers
  in order to iterate over the pins in a sequence.
  Lights multiple LEDs in sequence, then in reverse.
 

build/shared/examples/05.Control/WhileStatementConditional/WhileStatementConditional.ino

@@ -4,13 +4,13 @@
  This example demonstrates the use of  while() statements.
 
  While the pushbutton is pressed, the sketch runs the calibration routine.
- The  sensor readings during the while loop define the minimum and maximum
+ The sensor readings during the while loop define the minimum and maximum
- of expected values from the photo resistor.
+ of expected values from the photoresistor.
 
  This is a variation on the calibrate example.
 
  The circuit:
- * photo resistor connected from +5V to analog in pin 0
+ * photoresistor connected from +5V to analog in pin 0
  * 10K resistor connected from ground to analog in pin 0
  * LED connected from digital pin 9 to ground through 220 ohm resistor
  * pushbutton attached from pin 2 to +5V

build/shared/examples/05.Control/switchCase/switchCase.ino

@@ -5,9 +5,9 @@
  statement allows you to choose from among a set of discrete values
  of a variable.  It's like a series of if statements.
 
- To see this sketch in action, but the board and sensor in a well-lit
+ To see this sketch in action, put the board and sensor in a well-lit
- room, open the serial monitor, and and move your hand gradually
+ room, open the Serial Monitor, and move your hand gradually down
- down over the sensor.
+ over the sensor.
 
  The circuit:
  * photoresistor from analog in 0 to +5V

build/shared/examples/05.Control/switchCase2/switchCase2.ino

@@ -35,7 +35,7 @@ void loop() {
     int inByte = Serial.read();
     // do something different depending on the character received.
     // The switch statement expects single number values for each case;
-    // in this exmaple, though, you're using single quotes to tell
+    // in this example, though, you're using single quotes to tell
     // the controller to get the ASCII value for the character.  For
     // example 'a' = 97, 'b' = 98, and so forth:
 

build/shared/examples/06.Sensors/ADXL3xx/ADXL3xx.ino

@@ -4,7 +4,7 @@
 
  Reads an Analog Devices ADXL3xx accelerometer and communicates the
  acceleration to the computer.  The pins used are designed to be easily
- compatible with the breakout boards from Sparkfun, available from:
+ compatible with the breakout boards from SparkFun, available from:
  http://www.sparkfun.com/commerce/categories.php?c=80
 
  http://www.arduino.cc/en/Tutorial/ADXL3xx

build/shared/examples/06.Sensors/Knock/Knock.ino

@@ -23,7 +23,7 @@
 
 
 // these constants won't change:
-const int ledPin = 13;      // led connected to digital pin 13
+const int ledPin = 13;      // LED connected to digital pin 13
 const int knockSensor = A0; // the piezo is connected to analog pin 0
 const int threshold = 100;  // threshold value to decide when the detected sound is a knock or not
 

build/shared/examples/06.Sensors/Memsic2125/Memsic2125.ino

@@ -2,7 +2,7 @@
    Memsic2125
 
    Read the Memsic 2125 two-axis accelerometer.  Converts the
-   pulses output by the 2125 into milli-g's (1/1000 of earth's
+   pulses output by the 2125 into milli-g's (1/1000 of Earth's
    gravity) and prints them over the serial connection to the
    computer.
 
@@ -48,7 +48,7 @@ void loop() {
 
   // convert the pulse width into acceleration
   // accelerationX and accelerationY are in milli-g's:
-  // earth's gravity is 1000 milli-g's, or 1g.
+  // Earth's gravity is 1000 milli-g's, or 1 g.
   accelerationX = ((pulseX / 10) - 500) * 8;
   accelerationY = ((pulseY / 10) - 500) * 8;
 

build/shared/examples/07.Display/RowColumnScanning/RowColumnScanning.ino

@@ -7,7 +7,7 @@
  modified 30 Aug 2011
  by Tom Igoe
 
- This example works for the Lumex  LDM-24488NI Matrix. See
+ This example works for the Lumex LDM-24488NI Matrix. See
  http://sigma.octopart.com/140413/datasheet/Lumex-LDM-24488NI.pdf
  for the pin connections
 

build/shared/examples/08.Strings/StringAdditionOperator/StringAdditionOperator.ino

@@ -1,8 +1,8 @@
 /*
   Adding Strings together
 
- Examples of how to add strings together
+ Examples of how to add Strings together
- You can also add several different data types to string, as shown here:
+ You can also add several different data types to String, as shown here:
 
  created 27 July 2010
  modified 2 Apr 2012
@@ -13,7 +13,7 @@
  This example code is in the public domain.
  */
 
-// declare three strings:
+// declare three Strings:
 String stringOne, stringTwo, stringThree;
 
 void setup() {
@@ -27,40 +27,40 @@ void setup() {
   stringTwo = String("this string");
   stringThree = String();
   // send an intro:
-  Serial.println("\n\nAdding strings together (concatenation):");
+  Serial.println("\n\nAdding Strings together (concatenation):");
   Serial.println();
 }
 
 void loop() {
-  // adding a constant integer to a string:
+  // adding a constant integer to a String:
   stringThree =  stringOne + 123;
   Serial.println(stringThree);    // prints "You added 123"
 
-  // adding a constant long interger to a string:
+  // adding a constant long integer to a String:
   stringThree = stringOne + 123456789;
   Serial.println(stringThree);    // prints "You added 123456789"
 
-  // adding a constant character to a string:
+  // adding a constant character to a String:
   stringThree =  stringOne + 'A';
   Serial.println(stringThree);    // prints "You added A"
 
-  // adding a constant string to a string:
+  // adding a constant string to a String:
   stringThree =  stringOne +  "abc";
   Serial.println(stringThree);    // prints "You added abc"
 
   stringThree = stringOne + stringTwo;
   Serial.println(stringThree);    // prints "You added this string"
 
-  // adding a variable integer to a string:
+  // adding a variable integer to a String:
   int sensorValue = analogRead(A0);
   stringOne = "Sensor value: ";
   stringThree = stringOne  + sensorValue;
   Serial.println(stringThree);    // prints "Sensor Value: 401" or whatever value analogRead(A0) has
 
-  // adding a variable long integer to a string:
+  // adding a variable long integer to a String:
   stringOne = "millis() value: ";
   stringThree = stringOne + millis();
-  Serial.println(stringThree);    // prints "The millis: 345345" or whatever value currentTime has
+  Serial.println(stringThree);    // prints "The millis: 345345" or whatever value millis() has
 
   // do nothing while true:
   while (true);

build/shared/examples/08.Strings/StringAppendOperator/StringAppendOperator.ino

@@ -1,7 +1,7 @@
 /*
   Appending to Strings using the += operator and concat()
 
- Examples of how to append different data types to strings
+ Examples of how to append different data types to Strings
 
  created 27 July 2010
  modified 2 Apr 2012
@@ -24,34 +24,34 @@ void setup() {
   stringOne = String("Sensor ");
   stringTwo = String("value");
   // send an intro:
-  Serial.println("\n\nAppending to a string:");
+  Serial.println("\n\nAppending to a String:");
   Serial.println();
 }
 
 void loop() {
   Serial.println(stringOne);  // prints  "Sensor "
 
-  // adding a string to a string:
+  // adding a string to a String:
   stringOne += stringTwo;
   Serial.println(stringOne);  // prints "Sensor value"
 
-  // adding a constant string to a string:
+  // adding a constant string to a String:
   stringOne += " for input ";
   Serial.println(stringOne);  // prints "Sensor value for input"
 
-  // adding a constant character to a string:
+  // adding a constant character to a String:
   stringOne += 'A';
   Serial.println(stringOne);   // prints "Sensor value for input A"
 
-  // adding a constant integer to a string:
+  // adding a constant integer to a String:
   stringOne += 0;
   Serial.println(stringOne);   // prints "Sensor value for input A0"
 
-  // adding a constant string to a string:
+  // adding a constant string to a String:
   stringOne += ": ";
   Serial.println(stringOne);  // prints "Sensor value for input"
 
-  // adding a variable integer to a string:
+  // adding a variable integer to a String:
   stringOne += analogRead(A0);
   Serial.println(stringOne);   // prints "Sensor value for input A0: 456" or whatever analogRead(A0) is
 
@@ -59,11 +59,11 @@ void loop() {
   stringOne = "A long integer: ";
   stringTwo = "The millis(): ";
 
-  // adding a constant long integer to a string:
+  // adding a constant long integer to a String:
   stringOne += 123456789;
   Serial.println(stringOne);   // prints "A long integer: 123456789"
 
-  // using concat() to add a long variable to a string:
+  // using concat() to add a long variable to a String:
   stringTwo.concat(millis());
   Serial.println(stringTwo); // prints "The millis(): 43534" or whatever the value of the millis() is
 

build/shared/examples/08.Strings/StringCaseChanges/StringCaseChanges.ino

@@ -1,7 +1,7 @@
 /*
   String Case changes
 
- Examples of how to change the case of a string
+ Examples of how to change the case of a String
 
  created 27 July 2010
  modified 2 Apr 2012
@@ -20,7 +20,7 @@ void setup() {
   }
 
   // send an intro:
-  Serial.println("\n\nString  case changes:");
+  Serial.println("\n\nString case changes:");
   Serial.println();
 }
 

build/shared/examples/08.Strings/StringCharacters/StringCharacters.ino

@@ -19,11 +19,11 @@ void setup() {
     ; // wait for serial port to connect. Needed for native USB port only
   }
 
-  Serial.println("\n\nString  charAt() and setCharAt():");
+  Serial.println("\n\nString charAt() and setCharAt():");
 }
 
 void loop() {
-  // make a string to report a sensor reading:
+  // make a String to report a sensor reading:
   String reportString = "SensorReading: 456";
   Serial.println(reportString);
 
@@ -36,7 +36,7 @@ void loop() {
   // add blank space:
   Serial.println();
 
-  // you can alo set the character of a string. Change the : to a = character
+  // you can also set the character of a String. Change the : to a = character
   reportString.setCharAt(13, '=');
   Serial.println(reportString);
 

build/shared/examples/08.Strings/StringComparisonOperators/StringComparisonOperators.ino

@@ -1,7 +1,7 @@
 /*
   Comparing Strings
 
- Examples of how to compare strings using the comparison operators
+ Examples of how to compare Strings using the comparison operators
 
  created 27 July 2010
  modified 2 Apr 2012
@@ -31,22 +31,22 @@ void setup() {
 }
 
 void loop() {
-  // two strings equal:
+  // two Strings equal:
   if (stringOne == "this") {
     Serial.println("StringOne == \"this\"");
   }
-  // two strings not equal:
+  // two Strings not equal:
   if (stringOne != stringTwo) {
     Serial.println(stringOne + " =! " + stringTwo);
   }
 
-  // two strings not equal (case sensitivity matters):
+  // two Strings not equal (case sensitivity matters):
   stringOne = "This";
   stringTwo = "this";
   if (stringOne != stringTwo) {
     Serial.println(stringOne + " =! " + stringTwo);
   }
-  // you can also use equals() to see if two strings are the same:
+  // you can also use equals() to see if two Strings are the same:
   if (stringOne.equals(stringTwo)) {
     Serial.println(stringOne + " equals " + stringTwo);
   } else {
@@ -60,7 +60,7 @@ void loop() {
     Serial.println(stringOne + " does not equal (ignoring case) " + stringTwo);
   }
 
-  // a numeric string compared to the number it represents:
+  // a numeric String compared to the number it represents:
   stringOne = "1";
   int numberOne = 1;
   if (stringOne.toInt() == numberOne) {
@@ -69,14 +69,14 @@ void loop() {
 
 
 
-  // two numeric strings compared:
+  // two numeric Strings compared:
   stringOne = "2";
   stringTwo = "1";
   if (stringOne >= stringTwo) {
     Serial.println(stringOne + " >= " + stringTwo);
   }
 
-  // comparison operators can be used to compare strings for alphabetic sorting too:
+  // comparison operators can be used to compare Strings for alphabetic sorting too:
   stringOne = String("Brown");
   if (stringOne < "Charles") {
     Serial.println(stringOne + " < Charles");
@@ -95,9 +95,9 @@ void loop() {
     Serial.println(stringOne + " >= Brow");
   }
 
-  // the compareTo() operator also allows you to compare strings
+  // the compareTo() operator also allows you to compare Strings
   // it evaluates on the first character that's different.
-  // if the first character of the string you're comparing to
+  // if the first character of the String you're comparing to
   // comes first in alphanumeric order, then compareTo() is greater than 0:
   stringOne = "Cucumber";
   stringTwo = "Cucuracha";
@@ -109,7 +109,7 @@ void loop() {
 
   delay(10000);  // because the next part is a loop:
 
-  // compareTo() is handy when you've got strings with numbers in them too:
+  // compareTo() is handy when you've got Strings with numbers in them too:
 
   while (true) {
     stringOne = "Sensor: ";

build/shared/examples/08.Strings/StringConstructors/StringConstructors.ino

@@ -1,7 +1,7 @@
 /*
    String constructors
 
- Examples of how  to create strings from other data types
+ Examples of how to create Strings from other data types
 
  created 27 July 2010
  modified 30 Aug 2011
@@ -66,11 +66,11 @@ void loop() {
   // prints "123456" or whatever the value of millis() is:
   Serial.println(stringOne);
 
-  //using a float and the right decimal places:
+  // using a float and the right decimal places:
   stringOne = String(5.698, 3);
   Serial.println(stringOne);
 
-  //using a float and less decimal places to use rounding:
+  // using a float and less decimal places to use rounding:
   stringOne = String(5.698, 2);
   Serial.println(stringOne);
 

build/shared/examples/08.Strings/StringIndexOf/StringIndexOf.ino

@@ -26,7 +26,7 @@ void setup() {
 
 void loop() {
   // indexOf() returns the position (i.e. index) of a particular character
-  // in a string. For example, if you were parsing HTML tags, you could use it:
+  // in a String. For example, if you were parsing HTML tags, you could use it:
   String stringOne = "<HTML><HEAD><BODY>";
   int firstClosingBracket = stringOne.indexOf('>');
   Serial.println("The index of > in the string " + stringOne + " is " + firstClosingBracket);

build/shared/examples/08.Strings/StringLengthTrim/StringLengthTrim.ino

@@ -20,7 +20,7 @@ void setup() {
   }
 
   // send an intro:
-  Serial.println("\n\nString  length() and trim():");
+  Serial.println("\n\nString length() and trim():");
   Serial.println();
 }
 

build/shared/examples/08.Strings/StringReplace/StringReplace.ino

@@ -1,7 +1,7 @@
 /*
   String replace()
 
- Examples of how to replace characters or substrings of a string
+ Examples of how to replace characters or substrings of a String
 
  created 27 July 2010
  modified 2 Apr 2012
@@ -20,7 +20,7 @@ void setup() {
   }
 
   // send an intro:
-  Serial.println("\n\nString  replace:\n");
+  Serial.println("\n\nString replace:\n");
   Serial.println();
 }
 
@@ -28,7 +28,7 @@ void loop() {
   String stringOne = "<html><head><body>";
   Serial.println(stringOne);
   // replace() changes all instances of one substring with another:
-  // first, make a copy of th original string:
+  // first, make a copy of the original string:
   String stringTwo = stringOne;
   // then perform the replacements:
   stringTwo.replace("<", "</");

build/shared/examples/09.USB/Keyboard/KeyboardLogout/KeyboardLogout.ino

@@ -36,7 +36,7 @@ int platform = OSX;
 
 void setup() {
   // make pin 2 an input and turn on the
-  // pullup resistor so it goes high unless
+  // pull-up resistor so it goes high unless
   // connected to ground:
   pinMode(2, INPUT_PULLUP);
   Keyboard.begin();
@@ -67,7 +67,7 @@ void loop() {
       Keyboard.press(KEY_DELETE);
       delay(100);
       Keyboard.releaseAll();
-      //ALT-l:
+      // ALT-l:
       delay(2000);
       Keyboard.press(KEY_LEFT_ALT);
       Keyboard.press('l');

build/shared/examples/09.USB/Keyboard/KeyboardReprogram/KeyboardReprogram.ino

@@ -39,7 +39,7 @@ char ctrlKey = KEY_LEFT_GUI;
 
 void setup() {
   // make pin 2 an input and turn on the
-  // pullup resistor so it goes high unless
+  // pull-up resistor so it goes high unless
   // connected to ground:
   pinMode(2, INPUT_PULLUP);
   // initialize control over the keyboard:
@@ -63,7 +63,7 @@ void loop() {
   // versions of the Arduino IDE after 1.5 pre-populate
   // new sketches with setup() and loop() functions
   // let's clear the window before typing anything new
-  //  select all
+  // select all
   Keyboard.press(ctrlKey);
   Keyboard.press('a');
   delay(500);

build/shared/examples/09.USB/Mouse/JoystickMouseControl/JoystickMouseControl.ino

@@ -108,7 +108,7 @@ int readAxis(int thisAxis) {
   reading = map(reading, 0, 1023, 0, range);
 
   // if the output reading is outside from the
-  // rest position threshold,  use it:
+  // rest position threshold, use it:
   int distance = reading - center;
 
   if (abs(distance) < threshold) {

build/shared/examples/10.StarterKit_BasicKit/p02_SpaceshipInterface/p02_SpaceshipInterface.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 2  - Spaceship Interface
+ Project 2 - Spaceship Interface
 
  This sketch is written to accompany Project 2 in the
  Arduino Starter Kit

build/shared/examples/10.StarterKit_BasicKit/p03_LoveOMeter/p03_LoveOMeter.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 3  - Love-O-Meter
+ Project 3 - Love-O-Meter
 
  This sketch is written to accompany Project 3 in the
  Arduino Starter Kit
@@ -20,7 +20,7 @@
 
 // named constant for the pin the sensor is connected to
 const int sensorPin = A0;
-// room temperature in Celcius
+// room temperature in Celsius
 const float baselineTemp = 20.0;
 
 void setup() {
@@ -53,7 +53,7 @@ void loop() {
   // convert the voltage to temperature in degrees C
   // the sensor changes 10 mV per degree
   // the datasheet says there's a 500 mV offset
-  // ((volatge - 500mV) times 100)
+  // ((voltage - 500 mV) times 100)
   Serial.print(", degrees C: ");
   float temperature = (voltage - .5) * 100;
   Serial.println(temperature);

build/shared/examples/10.StarterKit_BasicKit/p04_ColorMixingLamp/p04_ColorMixingLamp.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 4  - Color Mixing Lamp
+ Project 4 - Color Mixing Lamp
 
  This sketch is written to accompany Project 3 in the
  Arduino Starter Kit
@@ -62,7 +62,7 @@ void loop() {
   // read the value from the blue-filtered photoresistor:
   blueSensorValue = analogRead(blueSensorPin);
 
-  // print out the values to the serial monitor
+  // print out the values to the Serial Monitor
   Serial.print("raw sensor Values \t red: ");
   Serial.print(redSensorValue);
   Serial.print("\t green: ");
@@ -80,7 +80,7 @@ void loop() {
   greenValue = greenSensorValue / 4;
   blueValue = blueSensorValue / 4;
 
-  //  print out the mapped values
+  // print out the mapped values
   Serial.print("Mapped sensor Values \t red: ");
   Serial.print(redValue);
   Serial.print("\t green: ");

build/shared/examples/10.StarterKit_BasicKit/p05_ServoMoodIndicator/p05_ServoMoodIndicator.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 5  - Servo Mood Indicator
+ Project 5 - Servo Mood Indicator
 
  This sketch is written to accompany Project 5 in the
  Arduino Starter Kit
@@ -18,7 +18,7 @@
  This example code is part of the public domain
  */
 
-// include the servo library
+// include the Servo library
 #include <Servo.h>
 
 Servo myServo;  // create a servo object
@@ -34,7 +34,7 @@ void setup() {
 
 void loop() {
   potVal = analogRead(potPin); // read the value of the potentiometer
-  // print out the value to the serial monitor
+  // print out the value to the Serial Monitor
   Serial.print("potVal: ");
   Serial.print(potVal);
 

build/shared/examples/10.StarterKit_BasicKit/p06_LightTheremin/p06_LightTheremin.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 6  - Light Theremin
+ Project 6 - Light Theremin
 
  This sketch is written to accompany Project 6 in the
  Arduino Starter Kit

build/shared/examples/10.StarterKit_BasicKit/p07_Keyboard/p07_Keyboard.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 7  - Keyboard
+ Project 7 - Keyboard
 
  This sketch is written to accompany Project 7 in the
  Arduino Starter Kit

build/shared/examples/10.StarterKit_BasicKit/p08_DigitalHourglass/p08_DigitalHourglass.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 8  - Digital Hourglass
+ Project 8 - Digital Hourglass
 
  This sketch is written to accompany Project 8 in the
  Arduino Starter Kit

build/shared/examples/10.StarterKit_BasicKit/p09_MotorizedPinwheel/p09_MotorizedPinwheel.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 9  - Motorized Pinwheel
+ Project 9 - Motorized Pinwheel
 
  This sketch is written to accompany Project 9 in the
  Arduino Starter Kit

build/shared/examples/10.StarterKit_BasicKit/p10_Zoetrope/p10_Zoetrope.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 10  - Zoetrope
+ Project 10 - Zoetrope
 
  This sketch is written to accompany Project 10 in the
  Arduino Starter Kit
@@ -30,7 +30,7 @@ const int onOffSwitchStateSwitchPin = 5; // connected to the switch for turning
 const int potPin = A0;  // connected to the potentiometer's output
 
 // create some variables to hold values from your inputs
-int onOffSwitchState = 0;  // current state of the On/Off switch
+int onOffSwitchState = 0;  // current state of the on/off switch
 int previousOnOffSwitchState = 0; // previous position of the on/off switch
 int directionSwitchState = 0;  // current state of the direction switch
 int previousDirectionSwitchState = 0;  // previous state of the direction switch
@@ -40,7 +40,7 @@ int motorSpeed = 0; // speed of the motor
 int motorDirection = 1; // current direction of the motor
 
 void setup() {
-  // intialize the inputs and outputs
+  // initialize the inputs and outputs
   pinMode(directionSwitchPin, INPUT);
   pinMode(onOffSwitchStateSwitchPin, INPUT);
   pinMode(controlPin1, OUTPUT);
@@ -97,7 +97,7 @@ void loop() {
     //turn the motor off
     analogWrite(enablePin, 0);
   }
-  // save the current On/Offswitch state as the previous
+  // save the current on/off switch state as the previous
   previousDirectionSwitchState = directionSwitchState;
   // save the current switch state as the previous
   previousOnOffSwitchState = onOffSwitchState;

build/shared/examples/10.StarterKit_BasicKit/p11_CrystalBall/p11_CrystalBall.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 11  - Crystal Ball
+ Project 11 - Crystal Ball
 
  This sketch is written to accompany Project 11 in the
  Arduino Starter Kit
@@ -27,13 +27,13 @@
 // initialize the library with the numbers of the interface pins
 LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
 
-// set up a constant for the tilt switchPin
+// set up a constant for the tilt switch pin
 const int switchPin = 6;
 
-// variable to hold the value of the switchPin
+// variable to hold the value of the switch pin
 int switchState = 0;
 
-// variable to hold previous value of the switchpin
+// variable to hold previous value of the switch pin
 int prevSwitchState = 0;
 
 // a variable to choose which reply from the crystal ball
@@ -76,7 +76,7 @@ void loop() {
       // move the cursor to the second line
       lcd.setCursor(0, 1);
 
-      // choose a saying to print baed on the value in reply
+      // choose a saying to print based on the value in reply
       switch (reply) {
         case 0:
           lcd.print("Yes");

build/shared/examples/10.StarterKit_BasicKit/p12_KnockLock/p12_KnockLock.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 12  - Knock Lock
+ Project 12 - Knock Lock
 
  This sketch is written to accompany Project 12 in the
  Arduino Starter Kit
@@ -28,7 +28,7 @@
 
 // import the library
 #include <Servo.h>
-// create an instance of the servo library
+// create an instance of the Servo library
 Servo myServo;
 
 const int piezo = A0;      // pin the piezo is attached to
@@ -72,7 +72,7 @@ void setup() {
   // move the servo to the unlocked position
   myServo.write(0);
 
-  // print status to the serial monitor
+  // print status to the Serial Monitor
   Serial.println("the box is unlocked!");
 }
 

build/shared/examples/10.StarterKit_BasicKit/p13_TouchSensorLamp/p13_TouchSensorLamp.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 13  - Touch Sensor Lamp
+ Project 13 - Touch Sensor Lamp
 
  This sketch is written to accompany Project 13 in the
  Arduino Starter Kit

build/shared/examples/10.StarterKit_BasicKit/p14_TweakTheArduinoLogo/p14_TweakTheArduinoLogo.ino

@@ -1,6 +1,6 @@
 /*
   Arduino Starter Kit example
- Project 14  - Tweak the Arduino Logo
+ Project 14 - Tweak the Arduino Logo
 
  This sketch is written to accompany Project 14 in the
  Arduino Starter Kit
@@ -9,8 +9,8 @@
  10 kilohm potentiometer
 
  Software required :
- Processing  (3.0 or newer) http://processing.org
+ Processing (3.0 or newer) http://processing.org
- Active internet connection 
+ Active Internet connection 
 
  Created 18 September 2012
  by Scott Fitzgerald
@@ -34,7 +34,7 @@ void loop() {
 }
 
 /* Processing code for this example
-// Tweak the Arduno Logo
+// Tweak the Arduino Logo
 // by Scott Fitzgerald
 // This example code is in the public domain
 
@@ -63,12 +63,12 @@ void setup() {
   surface.setSize(logo.width, logo.height);
 
   // print a list of available serial ports to the
-  // Processing staus window
+  // Processing status window
   println("Available serial ports:");
   println(Serial.list());
 
   // Tell the serial object the information it needs to communicate
-  // with the Arduno. Change Serial.list()[0] to the correct
+  // with the Arduino. Change Serial.list()[0] to the correct
   // port corresponding to your Arduino board.  The last
   // parameter (e.g. 9600) is the speed of the communication.  It
   // has to correspond to the value passed to Serial.begin() in your

build/shared/examples/10.StarterKit_BasicKit/p15_HackingButtons/p15_HackingButtons.ino

@@ -1,12 +1,12 @@
 /*
   Arduino Starter Kit example
- Project 15  - Hacking Buttons
+ Project 15 - Hacking Buttons
 
  This sketch is written to accompany Project 15 in the
  Arduino Starter Kit
 
  Parts required:
- batery powered component
+ battery powered component
  220 ohm resistor
  4N35 optocoupler
 

build/shared/examples/11.ArduinoISP/ArduinoISP/ArduinoISP.ino

@@ -4,11 +4,11 @@
 //     http://www.opensource.org/licenses/bsd-license.php
 //
 // This sketch turns the Arduino into a AVRISP
-// using the following arduino pins:
+// using the following Arduino pins:
 //
 // Pin 10 is used to reset the target microcontroller.
 //
-// By default, the hardware SPI pins MISO, MOSI and SCK pins are used
+// By default, the hardware SPI pins MISO, MOSI and SCK are used
 // to communicate with the target. On all Arduinos, these pins can be found
 // on the ICSP/SPI header:
 //
@@ -20,7 +20,7 @@
 // as digital pin 11, 12 and 13, respectively. That is why many tutorials
 // instruct you to hook up the target to these pins. If you find this wiring
 // more practical, have a define USE_OLD_STYLE_WIRING. This will work even
-// even when not using an Uno. (On an Uno this is not needed).
+// when not using an Uno. (On an Uno this is not needed).
 //
 // Alternatively you can use any other digital pin by configuring software ('BitBanged')
 // SPI and having appropriate defines for PIN_MOSI, PIN_MISO and PIN_SCK.
@@ -43,18 +43,18 @@
 #define PROG_FLICKER true
 
 // Configure SPI clock (in Hz).
-// E.g. for an attiny @128 kHz: the datasheet states that both the high
+// E.g. for an ATtiny @ 128 kHz: the datasheet states that both the high
-// and low spi clock pulse must be > 2 cpu cycles, so take 3 cycles i.e.
+// and low SPI clock pulse must be > 2 CPU cycles, so take 3 cycles i.e.
 // divide target f_cpu by 6:
 //     #define SPI_CLOCK            (128000/6)
 //
-// A clock slow enough for an attiny85 @ 1MHz, is a reasonable default:
+// A clock slow enough for an ATtiny85 @ 1 MHz, is a reasonable default:
 
 #define SPI_CLOCK 		(1000000/6)
 
 
 // Select hardware or software SPI, depending on SPI clock.
-// Currently only for AVR, for other archs (Due, Zero,...),
+// Currently only for AVR, for other architectures (Due, Zero,...),
 // hardware SPI is probably too fast anyway.
 
 #if defined(ARDUINO_ARCH_AVR)
@@ -88,7 +88,7 @@
 
 #endif
 
-// HOODLOADER2 means running sketches on the atmega16u2 
+// HOODLOADER2 means running sketches on the ATmega16U2 
 // serial converter chips on Uno or Mega boards.
 // We must use pins that are broken out:
 #else 
@@ -371,7 +371,7 @@ void get_version(uint8_t c) {
 }
 
 void set_parameters() {
-  // call this after reading paramter packet into buff[]
+  // call this after reading parameter packet into buff[]
   param.devicecode = buff[0];
   param.revision   = buff[1];
   param.progtype   = buff[2];
@@ -393,7 +393,7 @@ void set_parameters() {
                     + buff[18] * 0x00000100
                     + buff[19];
 
-  // avr devices have active low reset, at89sx are active high
+  // AVR devices have active low reset, AT89Sx are active high
   rst_active_high = (param.devicecode >= 0xe0);
 }
 
@@ -404,7 +404,7 @@ void start_pmode() {
   // SPI.begin() will configure SS as output,
   // so SPI master mode is selected.
   // We have defined RESET as pin 10,
-  // which for many arduino's is not the SS pin.
+  // which for many Arduinos is not the SS pin.
   // So we have to configure RESET as output here,
   // (reset_target() first sets the correct level)
   reset_target(true);
@@ -412,14 +412,14 @@ void start_pmode() {
   SPI.begin();
   SPI.beginTransaction(SPISettings(SPI_CLOCK, MSBFIRST, SPI_MODE0));
 
-  // See avr datasheets, chapter "SERIAL_PRG Programming Algorithm":
+  // See AVR datasheets, chapter "SERIAL_PRG Programming Algorithm":
 
   // Pulse RESET after PIN_SCK is low:
   digitalWrite(PIN_SCK, LOW);
-  delay(20); // discharge PIN_SCK, value arbitrally chosen
+  delay(20); // discharge PIN_SCK, value arbitrarily chosen
   reset_target(false);
   // Pulse must be minimum 2 target CPU clock cycles
-  // so 100 usec is ok for CPU speeds above 20KHz
+  // so 100 usec is ok for CPU speeds above 20 KHz
   delayMicroseconds(100);
   reset_target(true);