diff --git a/kyaml/openapi/kubernetesapi/v1218pb/doc.go b/kyaml/openapi/kubernetesapi/v1218pb/doc.go
index e20533a92..10257454f 100644
--- a/kyaml/openapi/kubernetesapi/v1218pb/doc.go
+++ b/kyaml/openapi/kubernetesapi/v1218pb/doc.go
@@ -1,3 +1,6 @@
+// Copyright 2022 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package v1218pb
 
 const OpenAPIProtobuf = "v1218pb"