diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/SparkDumpRelationJob.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/SparkDumpRelationJob.java
index 75e1ffcef..59aad1f30 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/SparkDumpRelationJob.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/SparkDumpRelationJob.java
@@ -1,6 +1,4 @@
-/**
- * Dumps eu.dnetlib.dhp.schema.oaf.Relation in eu.dnetlib.dhp.schema.dump.oaf.graph.Relation
- */
+
 package eu.dnetlib.dhp.oa.graph.dump.graph;
 
 import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
@@ -24,6 +22,9 @@ import eu.dnetlib.dhp.schema.dump.oaf.graph.Node;
 import eu.dnetlib.dhp.schema.dump.oaf.graph.RelType;
 import eu.dnetlib.dhp.schema.oaf.Relation;
 
+/**
+ * Dumps eu.dnetlib.dhp.schema.oaf.Relation in eu.dnetlib.dhp.schema.dump.oaf.graph.Relation
+ */
 public class SparkDumpRelationJob implements Serializable {
 
 	private static final Logger log = LoggerFactory.getLogger(SparkDumpRelationJob.class);