diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQuery.java
index 7b62ba573..18a0c8574 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQuery.java
@@ -25,6 +25,7 @@ import org.elasticsearch.search.sort.SortBuilder;
  *
  * @author Rizwan Idrees
  * @author Mohsin Husen
+ * @author Artur Konczak
  */
 public class NativeSearchQuery extends AbstractQuery implements SearchQuery {
 
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQueryBuilder.java b/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQueryBuilder.java
index 6eb63fe6f..df489ca4a 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQueryBuilder.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/NativeSearchQueryBuilder.java
@@ -25,6 +25,7 @@ import org.springframework.data.domain.Pageable;
  *
  * @author Rizwan Idrees
  * @author Mohsin Husen
+ * @author Artur Konczak
  */
 
 public class NativeSearchQueryBuilder {
diff --git a/src/main/java/org/springframework/data/elasticsearch/core/query/SearchQuery.java b/src/main/java/org/springframework/data/elasticsearch/core/query/SearchQuery.java
index 0557993d9..55424c43f 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/query/SearchQuery.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/query/SearchQuery.java
@@ -1,9 +1,30 @@
+/*
+* Copyright 2013 the original author or authors.
+*
+* 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.
+*/
 package org.springframework.data.elasticsearch.core.query;
 
 import org.elasticsearch.index.query.FilterBuilder;
 import org.elasticsearch.index.query.QueryBuilder;
 import org.elasticsearch.search.sort.SortBuilder;
-
+/**
+ * NativeSearchQuery
+ *
+ * @author Rizwan Idrees
+ * @author Mohsin Husen
+ * @author Artur Konczak
+ */
 public interface SearchQuery extends Query {
     QueryBuilder getQuery();
     FilterBuilder getFilter();