diff --git a/src/MIDI.cpp b/src/MIDI.cpp
index 9d53668..d85accc 100644
--- a/src/MIDI.cpp
+++ b/src/MIDI.cpp
@@ -2,7 +2,7 @@
  *  @file       MIDI.cpp
  *  Project     Arduino MIDI Library
  *  @brief      MIDI Library for the Arduino
- *  @version    4.2
+ *  @version    4.3
  *  @author     Francois Best
  *  @date       24/02/11
  *  @license    MIT - Copyright (c) 2015 Francois Best
diff --git a/src/MIDI.h b/src/MIDI.h
index 15fe359..22a84c5 100644
--- a/src/MIDI.h
+++ b/src/MIDI.h
@@ -2,7 +2,7 @@
  *  @file       MIDI.h
  *  Project     Arduino MIDI Library
  *  @brief      MIDI Library for the Arduino
- *  @version    4.2
+ *  @version    4.3
  *  @author     Francois Best
  *  @date       24/02/11
  *  @license    MIT - Copyright (c) 2015 Francois Best
diff --git a/src/MIDI.hpp b/src/MIDI.hpp
index 3e66a98..0df7be1 100644
--- a/src/MIDI.hpp
+++ b/src/MIDI.hpp
@@ -2,7 +2,7 @@
  *  @file       MIDI.hpp
  *  Project     Arduino MIDI Library
  *  @brief      MIDI Library for the Arduino - Inline implementations
- *  @version    4.2
+ *  @version    4.3
  *  @author     Francois Best
  *  @date       24/02/11
  *  @license    MIT - Copyright (c) 2015 Francois Best
diff --git a/src/midi_Defs.h b/src/midi_Defs.h
index 6070128..16ca1f2 100644
--- a/src/midi_Defs.h
+++ b/src/midi_Defs.h
@@ -2,7 +2,7 @@
  *  @file       midi_Defs.h
  *  Project     Arduino MIDI Library
  *  @brief      MIDI Library for the Arduino - Definitions
- *  @version    4.2
+ *  @version    4.3
  *  @author     Francois Best
  *  @date       24/02/11
  *  @license    MIT - Copyright (c) 2015 Francois Best
diff --git a/src/midi_Message.h b/src/midi_Message.h
index bbe345f..3dcd7da 100644
--- a/src/midi_Message.h
+++ b/src/midi_Message.h
@@ -2,7 +2,7 @@
  *  @file       midi_Message.h
  *  Project     Arduino MIDI Library
  *  @brief      MIDI Library for the Arduino - Message struct definition
- *  @version    4.2
+ *  @version    4.3
  *  @author     Francois Best
  *  @date       11/06/14
  *  @license    MIT - Copyright (c) 2015 Francois Best
diff --git a/src/midi_Namespace.h b/src/midi_Namespace.h
index efd2395..c241f95 100644
--- a/src/midi_Namespace.h
+++ b/src/midi_Namespace.h
@@ -2,7 +2,7 @@
  *  @file       midi_Namespace.h
  *  Project     Arduino MIDI Library
  *  @brief      MIDI Library for the Arduino - Namespace declaration
- *  @version    4.2
+ *  @version    4.3
  *  @author     Francois Best
  *  @date       24/02/11
  *  @license    MIT - Copyright (c) 2015 Francois Best
diff --git a/src/midi_RingBuffer.h b/src/midi_RingBuffer.h
index ea6884a..ef66b67 100644
--- a/src/midi_RingBuffer.h
+++ b/src/midi_RingBuffer.h
@@ -2,7 +2,7 @@
  *  @file       midi_RingBuffer.h
  *  Project     Arduino MIDI Library
  *  @brief      MIDI Library for Arduino - Ring Buffer
- *  @version    4.2
+ *  @version    4.3
  *  @author     Francois Best
  *  @date       10/10/2016
  *  @license    MIT - Copyright (c) 2016 Francois Best
diff --git a/src/midi_RingBuffer.hpp b/src/midi_RingBuffer.hpp
index b3e073e..3dc6750 100644
--- a/src/midi_RingBuffer.hpp
+++ b/src/midi_RingBuffer.hpp
@@ -1,3 +1,31 @@
+/*!
+ *  @file       midi_RingBuffer.hpp
+ *  Project     Arduino MIDI Library
+ *  @brief      MIDI Library for Arduino - Ring Buffer
+ *  @version    4.3
+ *  @author     Francois Best
+ *  @date       10/10/2016
+ *  @license    MIT - Copyright (c) 2016 Francois Best
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 #pragma once
 
 BEGIN_MIDI_NAMESPACE
diff --git a/src/midi_Settings.h b/src/midi_Settings.h
index 8e6ac5b..c25a707 100644
--- a/src/midi_Settings.h
+++ b/src/midi_Settings.h
@@ -2,7 +2,7 @@
  *  @file       midi_Settings.h
  *  Project     Arduino MIDI Library
  *  @brief      MIDI Library for the Arduino - Settings
- *  @version    4.2
+ *  @version    4.3
  *  @author     Francois Best
  *  @date       24/02/11
  *  @license    MIT - Copyright (c) 2015 Francois Best
diff --git a/src/midi_UsbDefs.h b/src/midi_UsbDefs.h
index 5e607cf..8a5ffd5 100644
--- a/src/midi_UsbDefs.h
+++ b/src/midi_UsbDefs.h
@@ -2,7 +2,7 @@
  *  @file       midi_UsbDefs.h
  *  Project     Arduino MIDI Library
  *  @brief      MIDI Library for the Arduino - Definitions
- *  @version    4.2
+ *  @version    4.3
  *  @author     Francois Best
  *  @date       24/02/11
  *  @license    MIT - Copyright (c) 2016 Francois Best
diff --git a/src/midi_UsbTransport.h b/src/midi_UsbTransport.h
index 8ea9044..cffe454 100644
--- a/src/midi_UsbTransport.h
+++ b/src/midi_UsbTransport.h
@@ -2,7 +2,7 @@
  *  @file       midi_UsbTransport.h
  *  Project     Arduino MIDI Library
  *  @brief      MIDI Library for the Arduino - Transport layer for USB MIDI
- *  @version    4.2
+ *  @version    4.3
  *  @author     Francois Best
  *  @date       10/10/2016
  *  @license    MIT - Copyright (c) 2016 Francois Best
diff --git a/src/midi_UsbTransport.hpp b/src/midi_UsbTransport.hpp
index 6849e59..ed53578 100644
--- a/src/midi_UsbTransport.hpp
+++ b/src/midi_UsbTransport.hpp
@@ -1,3 +1,31 @@
+/*!
+ *  @file       midi_UsbTransport.hpp
+ *  Project     Arduino MIDI Library
+ *  @brief      MIDI Library for the Arduino - Transport layer for USB MIDI
+ *  @version    4.3
+ *  @author     Francois Best
+ *  @date       10/10/2016
+ *  @license    MIT - Copyright (c) 2016 Francois Best
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 #pragma once
 
 BEGIN_MIDI_NAMESPACE