diff --git a/merge.go b/merge.go
index bb55939933e29c1543651b65f0209b859aed4fff..3675b6e3d4073443c7948c89148f4365a2a7fb4b 100644
--- a/merge.go
+++ b/merge.go
@@ -1,3 +1,6 @@
+// Copyright 2022 schukai GmbH
+// SPDX-License-Identifier: AGPL-3.0
+
 package configuration
 
 import "github.com/imdario/mergo"