diff --git a/core/src/main/scala/kafka/server/ListOffsetsRequestInstrumentation.scala b/core/src/main/scala/kafka/server/ListOffsetsRequestInstrumentation.scala
index 9d46161d51f8..36b62058110b 100644
--- a/core/src/main/scala/kafka/server/ListOffsetsRequestInstrumentation.scala
+++ b/core/src/main/scala/kafka/server/ListOffsetsRequestInstrumentation.scala
@@ -1,3 +1,19 @@
+/*
+ * 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.
+ */
 package kafka.server
 
 import com.yammer.metrics.core.{Histogram, Meter}