diff --git a/src/main/java/no/nibio/vips/logic/controller/session/ObservationTimeSeriesBean.java b/src/main/java/no/nibio/vips/logic/controller/session/ObservationTimeSeriesBean.java
index be5bd46f578d71bc1a00fd800f840a2ff86281f8..eb1ff5752e4d1eff1a37f6809dc23631409f396b 100644
--- a/src/main/java/no/nibio/vips/logic/controller/session/ObservationTimeSeriesBean.java
+++ b/src/main/java/no/nibio/vips/logic/controller/session/ObservationTimeSeriesBean.java
@@ -18,15 +18,14 @@
 
 package no.nibio.vips.logic.controller.session;
 
-import no.nibio.vips.logic.entity.*;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import no.nibio.vips.logic.entity.ObservationTimeSeries;
+import no.nibio.vips.logic.entity.PointOfInterest;
+import no.nibio.vips.logic.entity.VipsLogicUser;
 
 import javax.ejb.EJB;
 import javax.ejb.Stateless;
 import javax.persistence.EntityManager;
 import javax.persistence.PersistenceContext;
-import javax.persistence.Query;
 import java.util.*;
 
 @Stateless
@@ -101,6 +100,11 @@ public class ObservationTimeSeriesBean {
         });
     }
 
+    /**
+     * Enrich given observation time series with point of interest information
+     *
+     * @param ots The observation time series to enrich
+     */
     public void enrichObservationTimeSeriesWithPointOfInterest(ObservationTimeSeries ots) {
         if (ots == null || ots.getLocationPointOfInterestId() == null) {
             return;