diff --git a/flight/Bootloaders/AHRS/main.c b/flight/Bootloaders/AHRS/main.c
index c7da0d439..b284e6365 100644
--- a/flight/Bootloaders/AHRS/main.c
+++ b/flight/Bootloaders/AHRS/main.c
@@ -170,7 +170,7 @@ void process_spi_request(void) {
 		opahrs_msg_v0_init_user_tx(&user_tx_v0, OPAHRS_MSG_V0_RSP_MEM_MAP);
 		user_tx_v0.payload.user.v.rsp.mem_map.density = bdinfo->hw_type;
 		user_tx_v0.payload.user.v.rsp.mem_map.rw_flags = (BOARD_READABLE
-				| (BOARD_WRITABLA << 1));
+				| (BOARD_WRITABLE << 1));
 		user_tx_v0.payload.user.v.rsp.mem_map.size_of_code_memory
 				= bdinfo->fw_size;
 		user_tx_v0.payload.user.v.rsp.mem_map.size_of_description
diff --git a/flight/Bootloaders/CopterControl/op_dfu.c b/flight/Bootloaders/CopterControl/op_dfu.c
index 834c29339..b45e1e798 100644
--- a/flight/Bootloaders/CopterControl/op_dfu.c
+++ b/flight/Bootloaders/CopterControl/op_dfu.c
@@ -387,7 +387,7 @@ void OPDfuIni(uint8_t discover) {
 	Device dev;
 
 	dev.programmingType = Self_flash;
-	dev.readWriteFlags = (BOARD_READABLE | (BOARD_WRITABLA << 1));
+	dev.readWriteFlags = (BOARD_READABLE | (BOARD_WRITABLE << 1));
 	dev.startOfUserCode = bdinfo->fw_base;
 	dev.sizeOfCode = bdinfo->fw_size;
 	dev.sizeOfDescription = bdinfo->desc_size;
diff --git a/flight/Bootloaders/OpenPilot/op_dfu.c b/flight/Bootloaders/OpenPilot/op_dfu.c
index e15d8596b..bc62fff6c 100644
--- a/flight/Bootloaders/OpenPilot/op_dfu.c
+++ b/flight/Bootloaders/OpenPilot/op_dfu.c
@@ -452,7 +452,7 @@ void OPDfuIni(uint8_t discover) {
 	Device dev;
 
 	dev.programmingType = Self_flash;
-	dev.readWriteFlags = (BOARD_READABLE | (BOARD_WRITABLA << 1));
+	dev.readWriteFlags = (BOARD_READABLE | (BOARD_WRITABLE << 1));
 	dev.startOfUserCode = bdinfo->fw_base;
 	dev.sizeOfCode = bdinfo->fw_size;
 	dev.sizeOfDescription = bdinfo->desc_size;
diff --git a/flight/Bootloaders/PipXtreme/op_dfu.c b/flight/Bootloaders/PipXtreme/op_dfu.c
index fa0281d52..770ce8237 100644
--- a/flight/Bootloaders/PipXtreme/op_dfu.c
+++ b/flight/Bootloaders/PipXtreme/op_dfu.c
@@ -419,7 +419,7 @@ void OPDfuIni(uint8_t discover) {
 	Device dev;
 
 	dev.programmingType = Self_flash;
-	dev.readWriteFlags = (BOARD_READABLE | (BOARD_WRITABLA << 1));
+	dev.readWriteFlags = (BOARD_READABLE | (BOARD_WRITABLE << 1));
 	dev.startOfUserCode = bdinfo->fw_base;
 	dev.sizeOfCode = bdinfo->fw_size;
 	dev.sizeOfDescription = bdinfo->desc_size;
diff --git a/flight/PiOS/Boards/STM32103CB_AHRS.h b/flight/PiOS/Boards/STM32103CB_AHRS.h
index d17799ada..b407c0f42 100644
--- a/flight/PiOS/Boards/STM32103CB_AHRS.h
+++ b/flight/PiOS/Boards/STM32103CB_AHRS.h
@@ -65,7 +65,7 @@ TIM8  |           |           |           |
 // BOOTLOADER_SETTINGS
 //------------------------
 #define BOARD_READABLE	TRUE
-#define BOARD_WRITABLA	TRUE
+#define BOARD_WRITABLE	TRUE
 #define MAX_DEL_RETRYS	3
 
 //------------------------
diff --git a/flight/PiOS/Boards/STM32103CB_CC_Rev1.h b/flight/PiOS/Boards/STM32103CB_CC_Rev1.h
index f26bd9c1c..16e58b5c2 100644
--- a/flight/PiOS/Boards/STM32103CB_CC_Rev1.h
+++ b/flight/PiOS/Boards/STM32103CB_CC_Rev1.h
@@ -61,7 +61,7 @@ TIM4  |  RC In 1  |  Servo 3  |  Servo 2  |  Servo 1
 // BOOTLOADER_SETTINGS
 //------------------------
 #define BOARD_READABLE	TRUE
-#define BOARD_WRITABLA	TRUE
+#define BOARD_WRITABLE	TRUE
 #define MAX_DEL_RETRYS	3
 
 
diff --git a/flight/PiOS/Boards/STM32103CB_PIPXTREME_Rev1.h b/flight/PiOS/Boards/STM32103CB_PIPXTREME_Rev1.h
index 7114c2871..a8eead4bd 100644
--- a/flight/PiOS/Boards/STM32103CB_PIPXTREME_Rev1.h
+++ b/flight/PiOS/Boards/STM32103CB_PIPXTREME_Rev1.h
@@ -59,7 +59,7 @@ TIM4  |                     STOPWATCH                    |
 // BOOTLOADER_SETTINGS
 //------------------------
 #define BOARD_READABLE	TRUE
-#define BOARD_WRITABLA	TRUE
+#define BOARD_WRITABLE	TRUE
 #define MAX_DEL_RETRYS	3
 
 
diff --git a/flight/PiOS/Boards/STM3210E_INS.h b/flight/PiOS/Boards/STM3210E_INS.h
index 3229de344..d0c988b21 100644
--- a/flight/PiOS/Boards/STM3210E_INS.h
+++ b/flight/PiOS/Boards/STM3210E_INS.h
@@ -70,7 +70,7 @@ TIM8  |           |           |           |
 // BOOTLOADER_SETTINGS
 //------------------------
 #define BOARD_READABLE	TRUE
-#define BOARD_WRITABLA	TRUE
+#define BOARD_WRITABLE	TRUE
 #define MAX_DEL_RETRYS	3
 
 //------------------------
diff --git a/flight/PiOS/Boards/STM3210E_OP.h b/flight/PiOS/Boards/STM3210E_OP.h
index 58e3fb077..c042184ea 100644
--- a/flight/PiOS/Boards/STM3210E_OP.h
+++ b/flight/PiOS/Boards/STM3210E_OP.h
@@ -69,7 +69,7 @@ TIM8  | Servo 5   | Servo 6   | Servo 7   | Servo 8
 // BOOTLOADER_SETTINGS
 //------------------------
 #define BOARD_READABLE	TRUE
-#define BOARD_WRITABLA	TRUE
+#define BOARD_WRITABLE	TRUE
 #define MAX_DEL_RETRYS	3
 
 //------------------------