diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index 00742fd..59c68a2 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -1,6 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2011-2012 The Chromium OS Authors.
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>