diff --git a/osbase/net/dns/name.go b/osbase/net/dns/name.go
index 9769d7e..0d681cc 100644
--- a/osbase/net/dns/name.go
+++ b/osbase/net/dns/name.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package dns
 
 import (