diff --git a/app/src/processing/app/NewBoardListener.java b/app/src/processing/app/NewBoardListener.java
index c33340cb7..7e0fe61d7 100644
--- a/app/src/processing/app/NewBoardListener.java
+++ b/app/src/processing/app/NewBoardListener.java
@@ -1,3 +1,32 @@
+/*
+ * This file is part of Arduino.
+ *
+ * Arduino is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2016 Arduino LLC (http://www.arduino.cc/)
+ */
+
 package processing.app;
 
 import java.awt.event.WindowEvent;
@@ -21,7 +50,7 @@ public class NewBoardListener implements PropertyChangeListener, Runnable {
 
   @Override
   public void propertyChange(PropertyChangeEvent event) {
-        checkForNewBoardAttached();
+    checkForNewBoardAttached();
   }
 
   @Override