diff --git a/drivers/pwm/pwm-rockchip-i2s.c b/drivers/pwm/pwm-rockchip-i2s.c
index 0888f62ab60a..391ebf1d755d 100644
--- a/drivers/pwm/pwm-rockchip-i2s.c
+++ b/drivers/pwm/pwm-rockchip-i2s.c
@@ -3,7 +3,7 @@
 /*
  * PWM-I2S driver for Rockchip SoCs
  *
- * Copyright (c) 2018 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2018 Rockchip Electronics Co., Ltd.
  */
 
 #include <linux/clk.h>