diff --git a/pom.xml b/pom.xml
index c61709b..d7074d7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -135,24 +135,6 @@
 					<skipTests>true</skipTests>
 				</configuration>
 			</plugin>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-javadoc-plugin</artifactId>
-				<configuration>
-					<additionalparam>-Xdoclint:none</additionalparam>
-					<additionalJOption>-Xdoclint:none</additionalJOption>
-				</configuration>
-				<version>3.1.0</version>
-				<executions>
-					<execution>
-						<id>generate-doc</id>
-						<phase>install</phase>
-						<goals>
-							<goal>jar</goal>
-						</goals>
-					</execution>
-				</executions>
-			</plugin>
 		</plugins>
 	</build>
 
diff --git a/src/main/java/org/gcube/portal/databook/server/DatabookStore.java b/src/main/java/org/gcube/portal/databook/server/DatabookStore.java
index 9c15752..263946f 100644
--- a/src/main/java/org/gcube/portal/databook/server/DatabookStore.java
+++ b/src/main/java/org/gcube/portal/databook/server/DatabookStore.java
@@ -304,14 +304,13 @@ public interface DatabookStore {
 	 */
 	RangeFeeds getRecentFeedsByVREAndRange(String vreid,  int from, int quantity) throws PrivacyLevelTypeNotFoundException, FeedTypeNotFoundException, ColumnNameNotFoundException, FeedIDNotFoundException;
 	/**
-	 * return the most recent posts for this vre up to quantity param and the last index of the feeds in the timeline
-	 * lastReturnedFeedTimelineIndex is usuful to know from  where to start the range the second time you ask
-	 * because there are deletions
+	 * return the most recent posts for this vre up to quantity param and the last index of the posts in the timeline
+	 * lastReturnedPostTimelineIndex is useful to know from  where to start the range the next time you ask, because there are deletions
 	 * 
 	 * @param vreid VRES identifier
 	 * @param from the range start (most recent feeds for this vre) has to be greater than 0
 	 * @param quantity the number of most recent feeds for this vre starting from "from" param
-	 * @return a <class>lastReturnedFeedTimelineIndex</class> containing of most recent feeds for this vre
+	 * @return a <class>RangePosts</class> containing of most recent feeds for this vre
 	 * @throws FeedTypeNotFoundException 
 	 * @throws PrivacyLevelTypeNotFoundException 
 	 * @throws ColumnNameNotFoundException