diff --git a/protoset.go b/protoset.go
index 212ef1a..e971390 100755
--- a/protoset.go
+++ b/protoset.go
@@ -1,7 +1,18 @@
-// Copyright 2018-2024 Open Networking Foundation Contributors
-// SPDX-FileCopyrightText: 2018-2024 Open Networking Foundation Contributors
-//
-// SPDX-License-Identifier: Apache-2.0
+/*
+ * Copyright 2018-2024 Open Networking Foundation (ONF) and the ONF Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 /*
  * Import this file into a go project in order to cause `go mod vendor`