diff --git a/arch/sh/cpu/sh4/watchdog.c b/arch/sh/cpu/sh4/watchdog.c
index fc938e6..7c157bc 100644
--- a/arch/sh/cpu/sh4/watchdog.c
+++ b/arch/sh/cpu/sh4/watchdog.c
@@ -1,6 +1,4 @@
-/*
- * SPDX-License-Identifier:	GPL-2.0+
- */
+// SPDX-License-Identifier: GPL-2.0+
 
 #include <common.h>
 #include <asm/processor.h>