diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/Constants.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/Constants.java
index 32c34a2..7919114 100644
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/Constants.java
+++ b/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/Constants.java
@@ -5,6 +5,10 @@ package org.gcube.portlets.user.td.gwtservice.shared;
 
 
 /**
+ * 
+ * @author "Giancarlo Panichi" 
+ * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
+ *
  */
 public class Constants {