diff --git a/keyboards/helix/rev2/config.h b/keyboards/helix/rev2/config.h
index 041acee2158..3d942248f5f 100644
--- a/keyboards/helix/rev2/config.h
+++ b/keyboards/helix/rev2/config.h
@@ -1,6 +1,7 @@
 /*
 Copyright 2012 Jun Wako <wakojun@gmail.com>
 Copyright 2015 Jack Humbert
+Copyright 2018 MakotoKurauchi
 
 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/keyboards/helix/rev2/rev2.c b/keyboards/helix/rev2/rev2.c
index b92580f9f94..f579027c710 100644
--- a/keyboards/helix/rev2/rev2.c
+++ b/keyboards/helix/rev2/rev2.c
@@ -1,3 +1,18 @@
+/* Copyright 2018 MakotoKurauchi
+ *
+ * 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/>.
+ */
 #include "helix.h"
 
 // Each keymap.c should use is_keyboard_master() instead of 'is_master'.
diff --git a/keyboards/helix/rev2/rev2.h b/keyboards/helix/rev2/rev2.h
index 787b6c67bb1..5c7cc93d17f 100644
--- a/keyboards/helix/rev2/rev2.h
+++ b/keyboards/helix/rev2/rev2.h
@@ -1,3 +1,18 @@
+/* Copyright 2018 MakotoKurauchi
+ *
+ * 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/>.
+ */
 #pragma once
 
 #include "helix.h"