diff --git a/arch/sandbox/Makefile b/arch/sandbox/Makefile
index 23fdcdb..2610794 100644
--- a/arch/sandbox/Makefile
+++ b/arch/sandbox/Makefile
@@ -1,6 +1,4 @@
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
+# SPDX-License-Identifier: GPL-2.0+
 
 head-y := arch/sandbox/cpu/start.o