diff --git a/keyboard/hid_liber/config.h b/keyboard/hid_liber/config.h
index 558a8cdd521..71e349a7ce0 100644
--- a/keyboard/hid_liber/config.h
+++ b/keyboard/hid_liber/config.h
@@ -1,5 +1,5 @@
 /*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
+Copyright 2012 Jun Wako <wakojun@gmail.com>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/keyboard/hid_liber/keymap.c b/keyboard/hid_liber/keymap.c
index 3d3da061041..0378ecc5db7 100644
--- a/keyboard/hid_liber/keymap.c
+++ b/keyboard/hid_liber/keymap.c
@@ -1,5 +1,5 @@
 /*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
+Copyright 2012 Jun Wako <wakojun@gmail.com>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/keyboard/hid_liber/led.c b/keyboard/hid_liber/led.c
index 1374f74c907..e577424c598 100644
--- a/keyboard/hid_liber/led.c
+++ b/keyboard/hid_liber/led.c
@@ -1,5 +1,5 @@
 /*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
+Copyright 2012 Jun Wako <wakojun@gmail.com>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/keyboard/hid_liber/matrix.c b/keyboard/hid_liber/matrix.c
index 975ff9aaca6..de1790d7e9e 100644
--- a/keyboard/hid_liber/matrix.c
+++ b/keyboard/hid_liber/matrix.c
@@ -1,19 +1,13 @@
-/*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
-
-This program 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, see <http://www.gnu.org/licenses/>.
-*/
+/* Copyright 2012 Jun Wako <wakojun@gmail.com>
+ *
+ * This is heavily based on hid_liber/board.{c|h}.
+ * https://github.com/BathroomEpiphanies/AVR-Keyboard
+ *
+ * Copyright (c) 2012 Fredrik Atmer, Bathroom Epiphanies Inc
+ * http://bathroomepiphanies.com
+ *
+ * As for liscensing consult with the original files or its author.
+ */
 #include <stdint.h>
 #include <stdbool.h>
 #include <avr/io.h>