diff --git a/remodel-plugin/features/iglistdiffable.feature b/remodel-plugin/features/iglistdiffable.feature
index beb28326..5f1358c5 100644
--- a/remodel-plugin/features/iglistdiffable.feature
+++ b/remodel-plugin/features/iglistdiffable.feature
@@ -1,3 +1,5 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+
 Feature: Outputting Value Objects implementing IGListDiffable
 
   @announce