diff --git a/mm/cma_debug_bitmap_hex.c b/mm/cma_debug_bitmap_hex.c
index bf9f7db28a14..9d8dbd5c5d3f 100644
--- a/mm/cma_debug_bitmap_hex.c
+++ b/mm/cma_debug_bitmap_hex.c
@@ -4,7 +4,7 @@
  *
  * Copyright (c) 2015 Sasha Levin <sasha.levin@oracle.com>
  *
- * Copyright (C) 2022 Rockchip Electronics Co. Ltd.
+ * Copyright (C) 2022 Rockchip Electronics Co., Ltd.
  *
  */