diff --git a/dump/src/main/java/eu/dnetlib/dhp/oa/graph/dump/csv/SparkDumpResults.java b/dump/src/main/java/eu/dnetlib/dhp/oa/graph/dump/csv/SparkDumpResults.java
index f74ad8d..625c85c 100644
--- a/dump/src/main/java/eu/dnetlib/dhp/oa/graph/dump/csv/SparkDumpResults.java
+++ b/dump/src/main/java/eu/dnetlib/dhp/oa/graph/dump/csv/SparkDumpResults.java
@@ -352,7 +352,7 @@ public class SparkDumpResults implements Serializable {
 				.replace("\n", " ")
 				.replace("\t", " ")
 				.replace("\r", " ")
-				//.replace("\\", " ")
+				// .replace("\\", " ")
 				.replace("\"", " ");
 
 		return input;
diff --git a/dump/src/main/java/eu/dnetlib/dhp/oa/zenodoapi/ZenodoAPIClient.java b/dump/src/main/java/eu/dnetlib/dhp/oa/zenodoapi/ZenodoAPIClient.java
index 0119e01..59f6055 100644
--- a/dump/src/main/java/eu/dnetlib/dhp/oa/zenodoapi/ZenodoAPIClient.java
+++ b/dump/src/main/java/eu/dnetlib/dhp/oa/zenodoapi/ZenodoAPIClient.java
@@ -18,7 +18,7 @@ import org.apache.http.entity.ContentType;
 import org.apache.http.entity.InputStreamEntity;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.CloseableHttpClient;
-//import org.apache.http.impl.client.HttpClients;
+// import org.apache.http.impl.client.HttpClients;
 import org.apache.http.util.EntityUtils;
 import org.jetbrains.annotations.NotNull;
 
diff --git a/dump/src/test/java/eu/dnetlib/dhp/oa/graph/dump/csv/DumpResultTest.java b/dump/src/test/java/eu/dnetlib/dhp/oa/graph/dump/csv/DumpResultTest.java
index f233a5c..fa37c1b 100644
--- a/dump/src/test/java/eu/dnetlib/dhp/oa/graph/dump/csv/DumpResultTest.java
+++ b/dump/src/test/java/eu/dnetlib/dhp/oa/graph/dump/csv/DumpResultTest.java
@@ -349,7 +349,7 @@ public class DumpResultTest {
 	}
 
 	@Test
-	public void provaReplacement(){
+	public void provaReplacement() {
 		String st = "\"Person in the sand " + "\"";
 		System.out.println(st);