diff --git a/src/test/org/apache/lucene/search/SampleComparable.java b/src/test/org/apache/lucene/search/SampleComparable.java
index 752629a92b8..6a47a424213 100644
--- a/src/test/org/apache/lucene/search/SampleComparable.java
+++ b/src/test/org/apache/lucene/search/SampleComparable.java
@@ -1,5 +1,21 @@
 package org.apache.lucene.search;
 
+/**
+ * Copyright 2004 The Apache Software Foundation
+ *
+ * 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 org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.index.TermDocs;