diff --git a/help.go b/help.go
index 2ba9127228f81e646c334b1c86ca8c820c7b3bde..bd8559b3f6724ccfc988f2c3ebcf1b80af57fa2e 100644
--- a/help.go
+++ b/help.go
@@ -1,3 +1,6 @@
+// Copyright 2022 schukai GmbH
+// SPDX-License-Identifier: AGPL-3.0
+
 package xflags
 
 import (
diff --git a/help_test.go b/help_test.go
index 3bebc4adae18dac0d64b557fc0fa5ac96e05d2f4..7d0a6ddef753ef28f3b960e7bf910d9f8b1d03b6 100644
--- a/help_test.go
+++ b/help_test.go
@@ -1,3 +1,6 @@
+// Copyright 2022 schukai GmbH
+// SPDX-License-Identifier: AGPL-3.0
+
 package xflags
 
 import (