diff --git a/drivers/mtd/nand/bbt_store.c b/drivers/mtd/nand/bbt_store.c
index 8687861bf3b4..2f9807138e0e 100644
--- a/drivers/mtd/nand/bbt_store.c
+++ b/drivers/mtd/nand/bbt_store.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.
  *
  */
 
diff --git a/include/linux/mtd/bbt_store.h b/include/linux/mtd/bbt_store.h
index 20373ef5c4a6..09b5de593302 100644
--- a/include/linux/mtd/bbt_store.h
+++ b/include/linux/mtd/bbt_store.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- * Copyright (c) 2021 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
  *
  */