1 files changed, 3 insertions, 0 deletions
diff --git a/flags.go b/flags.go
index ee3b817..abb1ace 100644
--- a/flags.go
+++ b/flags.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
 package main
 
 import "flag"