1 files changed, 3 insertions, 0 deletions

diff --git a/main.go b/main.go
index 9f1606b..0750303 100644
--- a/main.go
+++ b/main.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
+
 package main
 
 import (