diff --git a/src/ImprovedKeyboard.cpp b/src/ImprovedKeyboard.cpp
index a1c18fe..3b4f926 100644
--- a/src/ImprovedKeyboard.cpp
+++ b/src/ImprovedKeyboard.cpp
@@ -35,7 +35,7 @@ static const u8 _hidReportDescriptor[] PROGMEM = {
     0x05, 0x01,                    // USAGE_PAGE (Generic Desktop)  // 47
     0x09, 0x06,                    // USAGE (Keyboard)
     0xa1, 0x01,                    // COLLECTION (Application)
-    0x85, 0x02,                    //   REPORT_ID (2)
+    0x85, HID_REPORTID_KEYBOARD,   //   REPORT_ID (2)
     0x05, 0x07,                    //   USAGE_PAGE (Keyboard)
    
   0x19, 0xe0,                    //   USAGE_MINIMUM (Keyboard LeftControl)
@@ -82,7 +82,7 @@ void Keyboard_::end(void)
 
 void Keyboard_::sendReport(KeyReport* keys)
 {
-	HID.SendReport(2,keys,sizeof(KeyReport));
+	HID.SendReport(HID_REPORTID_KEYBOARD,keys,sizeof(KeyReport));
 }
 
 #define SHIFT 0x80
diff --git a/src/ImprovedKeyboard.h b/src/ImprovedKeyboard.h
index 4a3043f..1ba7030 100644
--- a/src/ImprovedKeyboard.h
+++ b/src/ImprovedKeyboard.h
@@ -1,22 +1,24 @@
 /*
-  Keyboard.h
+Copyright (c) 2014-2015 NicoHood
+See the readme for credit to other people.
 
-  Copyright (c) 2015, Arduino LLC
-  Original code (pre-library): Copyright (c) 2011, Peter Barrett
+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:
 
-  This library is free software; you can redistribute it and/or
-  modify it under the terms of the GNU Lesser General Public
-  License as published by the Free Software Foundation; either
-  version 2.1 of the License, or (at your option) any later version.
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
 
-  This library 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
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public
-  License along with this library; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+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.
 */
 
 #ifndef KEYBOARD_h
@@ -34,6 +36,10 @@
 //================================================================================
 //  Keyboard
 
+#ifndef HID_REPORTID_KEYBOARD
+#define HID_REPORTID_KEYBOARD 2
+#endif
+
 #define KEY_PRINT			0xCE
 #define KEY_NUM_LOCK		0xDB
 #define KEY_SCROLL_LOCK		0xCF