diff --git a/osbase/nvme/selftest.go b/osbase/nvme/selftest.go
index 8f46995..ad2bb9b 100644
--- a/osbase/nvme/selftest.go
+++ b/osbase/nvme/selftest.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package nvme
 
 import (