diff --git a/drivers/power/ec_battery.c b/drivers/power/ec_battery.c
index 9627cd1a0a11..38db43507bee 100644
--- a/drivers/power/ec_battery.c
+++ b/drivers/power/ec_battery.c
@@ -1,7 +1,7 @@
 /*
  * ec battery driver
  *
- * Copyright (C) 2016 Rockchip Electronics Co., Ltd
+ * Copyright (C) 2016 Rockchip Electronics Co., Ltd.
  * Shunqing Chen <csq@rock-chips.com>
  *
  * This program is free software; you can redistribute it and/or modify it