diff --git a/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/wps/SClient4WPSSession.java b/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/wps/SClient4WPSSession.java
index 17ea05f..505d4cf 100644
--- a/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/wps/SClient4WPSSession.java
+++ b/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/wps/SClient4WPSSession.java
@@ -65,7 +65,9 @@ public class SClient4WPSSession implements Serializable {
 
 	/**
 	 * Initializes a WPS client session.
-	 *
+	 * 
+	 * @param user user
+	 * @param password password
 	 */
 	public SClient4WPSSession(String user, String password) {
 		super();
@@ -296,6 +298,7 @@ public class SClient4WPSSession implements Serializable {
 	 *            one or more processIDs
 	 * @param serverID
 	 *            server id
+	 * @return process description document
 	 * @throws WPSClientException
 	 *             WPSClientExpcetion
 	 */
diff --git a/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/wps/computationsvalue/ComputationValueBuilder.java b/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/wps/computationsvalue/ComputationValueBuilder.java
index b0bd953..95d5917 100644
--- a/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/wps/computationsvalue/ComputationValueBuilder.java
+++ b/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/dmservice/wps/computationsvalue/ComputationValueBuilder.java
@@ -33,8 +33,10 @@ public class ComputationValueBuilder {
 		this.valueParameters = valueParameters;
 	}
 
+
 	/**
 	 * 
+	 * @return map of computation value
 	 */
 	public LinkedHashMap<String, ComputationValue> create() {
 		computationsValueParameters = new LinkedHashMap<String, ComputationValue>();
diff --git a/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/monitor/DMMonitorListener.java b/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/monitor/DMMonitorListener.java
index 64d794b..a87ff3a 100644
--- a/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/monitor/DMMonitorListener.java
+++ b/src/main/java/org/gcube/data/analysis/dataminermanagercl/server/monitor/DMMonitorListener.java
@@ -17,8 +17,6 @@ public interface DMMonitorListener {
 	/**
 	 * Called when there is a progress for the operation.
 	 * 
-	 * @param elaborated
-	 *            the elaborated part.
 	 */
 	public void cancelled();