diff --git a/scripts/gdb-boot.sh b/scripts/gdb-boot.sh
index dd8a34d..60c3861 100755
--- a/scripts/gdb-boot.sh
+++ b/scripts/gdb-boot.sh
@@ -1,4 +1,6 @@
 #! /bin/bash
+#
+# SPDX-License-Identifier: Apache-2.0
 
 source $(dirname $0)/../target.sh