diff --git a/onnxruntime/contrib_ops/cpu/non_max_suppression.cc b/onnxruntime/contrib_ops/cpu/non_max_suppression.cc
index b4696b2a7e..21b73f2647 100644
--- a/onnxruntime/contrib_ops/cpu/non_max_suppression.cc
+++ b/onnxruntime/contrib_ops/cpu/non_max_suppression.cc
@@ -1,5 +1,15 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
-// Licensed under the MIT License.
+/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
+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.
+==============================================================================*/
+/* Modifications Copyright (c) Microsoft. */
 
 #include "contrib_ops/cpu/non_max_suppression.h"
 #include <queue>