diff --git a/src/module/migrations/migrationHelpers.ts b/src/module/migrations/migrationHelpers.ts
index dc9aec2..5540195 100644
--- a/src/module/migrations/migrationHelpers.ts
+++ b/src/module/migrations/migrationHelpers.ts
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2021 Johannes Loher
+//
+// SPDX-License-Identifier: MIT
+
 import { DS4Actor } from "../actor/actor";
 import { getGame } from "../helpers";
 import { DS4Item } from "../item/item";