1 files changed, 3 insertions, 0 deletions

diff --git a/url.go b/url.go
index ea11555..d391de2 100644
--- a/url.go
+++ b/url.go
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
+
 package main
 
 import (