diff --git a/drivers/rtc/rtc-rockchip.c b/drivers/rtc/rtc-rockchip.c
index 14861b215940..5210ee41154b 100644
--- a/drivers/rtc/rtc-rockchip.c
+++ b/drivers/rtc/rtc-rockchip.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (c) 2022 Rockchip Electronics Co., Ltd
+ * Copyright (c) 2022 Rockchip Electronics Co., Ltd.
  */
 #include <linux/bcd.h>
 #include <linux/kernel.h>