diff --git a/keyboards/dp60/keymaps/via/keymap.c b/keyboards/dp60/keymaps/via/keymap.c
index 1742f17b..5f2b0072 100644
--- a/keyboards/dp60/keymaps/via/keymap.c
+++ b/keyboards/dp60/keymaps/via/keymap.c
@@ -1,3 +1,18 @@
+/**
+ * keymap.c
+ *
+  Copyright 2020 astro <yuleiz@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/>.
+*/
 #include QMK_KEYBOARD_H
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {