diff --git a/routers/api/v1/repo/sync_fork.go b/routers/api/v1/repo/sync_fork.go
index 359b4e0a74..6175d17989 100644
--- a/routers/api/v1/repo/sync_fork.go
+++ b/routers/api/v1/repo/sync_fork.go
@@ -1,3 +1,6 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
 package repo
 
 import (