diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/SparkBulkTagJob.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/SparkBulkTagJob.java
index 68005ea64..b09543da1 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/SparkBulkTagJob.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/SparkBulkTagJob.java
@@ -90,7 +90,6 @@ public class SparkBulkTagJob {
 		log.info("pathMap: {}", parser.get("pathMap"));
 		String protoMappingPath = parser.get("pathMap");
 
-
 		final String hdfsNameNode = parser.get("nameNode");
 		log.info("nameNode: {}", hdfsNameNode);
 
diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/actions/ExecSubstringAction.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/actions/ExecSubstringAction.java
index abae266a1..52ed37337 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/actions/ExecSubstringAction.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/actions/ExecSubstringAction.java
@@ -1,3 +1,4 @@
+
 package eu.dnetlib.dhp.bulktag.actions;
 
 import java.io.Serializable;
@@ -37,7 +38,7 @@ public class ExecSubstringAction implements Serializable {
 	}
 
 	public String execSubstring() {
-        return this.value.substring(Integer.valueOf(this.from), Integer.valueOf(this.to));
+		return this.value.substring(Integer.valueOf(this.from), Integer.valueOf(this.to));
 
-    }
+	}
 }