diff --git a/dot/sync/warp_sync.go b/dot/sync/warp_sync.go
index 61f73861df..3f7e0a47ea 100644
--- a/dot/sync/warp_sync.go
+++ b/dot/sync/warp_sync.go
@@ -1,3 +1,6 @@
+// Copyright 2024 ChainSafe Systems (ON)
+// SPDX-License-Identifier: LGPL-3.0-only
+
 package sync
 
 import (