diff --git a/tools/unused-strings.sh b/tools/unused-strings.sh
index 3c56c5af7e..ed8c5d9584 100755
--- a/tools/unused-strings.sh
+++ b/tools/unused-strings.sh
@@ -1,5 +1,8 @@
 #!/bin/sh -e
 
+# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 ANDROID=src/android/app/src/main
 STRINGS=$ANDROID/res/values/strings.xml