diff --git a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/Relation.java b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/Relation.java
index 3b45c4f7d..d8d150831 100644
--- a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/Relation.java
+++ b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/Relation.java
@@ -45,7 +45,7 @@ public class Relation extends Oaf {
 	private List<KeyValue> collectedFrom = new ArrayList<>();
 
 	/**
-	 * List of relation specific properties. Values values include 'similarityLevel', indicating the similarity score between a pair of publications.
+	 * List of relation specific properties. Values include 'similarityLevel', indicating the similarity score between a pair of publications.
 	 */
 	private List<KeyValue> properties = new ArrayList<>();