diff --git a/osbase/smbios/structures.go b/osbase/smbios/structures.go
index 4c75709..f8b5312 100644
--- a/osbase/smbios/structures.go
+++ b/osbase/smbios/structures.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package smbios
 
 import (