diff --git a/dhp-pace-core/src/main/java/eu/dnetlib/pace/util/DiffPatchMatch.java b/dhp-pace-core/src/main/java/eu/dnetlib/pace/util/DiffPatchMatch.java
index 84d49bd5c..cfd9acd70 100644
--- a/dhp-pace-core/src/main/java/eu/dnetlib/pace/util/DiffPatchMatch.java
+++ b/dhp-pace-core/src/main/java/eu/dnetlib/pace/util/DiffPatchMatch.java
@@ -1,6 +1,23 @@
 
 package eu.dnetlib.pace.util;
 
+/*
+ * Diff Match and Patch
+ * Copyright 2018 The diff-match-patch Authors.
+ * https://github.com/google/diff-match-patch
+ *
+ * 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.
+ */
 /*
  * Diff Match and Patch
  * Copyright 2018 The diff-match-patch Authors.
diff --git a/pom.xml b/pom.xml
index c6b65e27a..9cd82a343 100644
--- a/pom.xml
+++ b/pom.xml
@@ -112,6 +112,16 @@
 			<url>https://maven.d4science.org/nexus/content/repositories/dnet-deps</url>
 			<layout>default</layout>
 		</repository>
+		<repository>
+			<id>maven-restlet</id>
+			<name>Restlet repository</name>
+			<url>https://maven.restlet.talend.com</url>
+		</repository>
+		<repository>
+			<id>conjars</id>
+			<name>conjars</name>
+			<url>https://conjars.wensel.net/repo/</url>
+		</repository>
 	</repositories>
 
 	<dependencies>