diff --git a/drivers/mfd/rk618.c b/drivers/mfd/rk618.c
index ac7d5d38a097..7d548056d76d 100644
--- a/drivers/mfd/rk618.c
+++ b/drivers/mfd/rk618.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2017 Rockchip Electronics Co., Ltd.
  *
  * 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