diff --git a/drivers/dma-buf/dma-buf-cache.c b/drivers/dma-buf/dma-buf-cache.c
index 5ec8896d3221..1a05a53b8c82 100644
--- a/drivers/dma-buf/dma-buf-cache.c
+++ b/drivers/dma-buf/dma-buf-cache.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (c) 2021 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
  */
 
 #include <linux/slab.h>