Fix apache rat check (#7225)
diff --git a/pulsar-flink/README.md b/pulsar-flink/README.md
index 7225969..f970a55 100644
--- a/pulsar-flink/README.md
+++ b/pulsar-flink/README.md
@@ -1,3 +1,24 @@
+<!--
+
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you 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.
+
+-->
+
# Pulsar Flink Connector
This Pulsar Flink connector is superseded by a newer version of [pulsar-flink](https://flink-packages.org/packages/pulsar-flink-connector)
