diff --git a/include/linux/rk-dma-heap.h b/include/linux/rk-dma-heap.h
index e42bc227dd04..1d44bf139d72 100644
--- a/include/linux/rk-dma-heap.h
+++ b/include/linux/rk-dma-heap.h
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2011 Google, Inc.
  * Copyright (C) 2019 Linaro Ltd.
- * Copyright (C) 2022 Rockchip Electronics Co. Ltd.
+ * Copyright (C) 2022 Rockchip Electronics Co., Ltd.
  * Author: Simon Xue <xxm@rock-chips.com>
  */
 
diff --git a/include/uapi/linux/rk-dma-heap.h b/include/uapi/linux/rk-dma-heap.h
index 4e83d71811ce..127b5cab6736 100644
--- a/include/uapi/linux/rk-dma-heap.h
+++ b/include/uapi/linux/rk-dma-heap.h
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2011 Google, Inc.
  * Copyright (C) 2019 Linaro Ltd.
- * Copyright (C) 2022 Rockchip Electronics Co. Ltd.
+ * Copyright (C) 2022 Rockchip Electronics Co., Ltd.
  * Author: Simon Xue <xxm@rock-chips.com>
  */
 #ifndef _UAPI_LINUX_DMABUF_POOL_H