diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java b/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
index 954da4f..948eaa7 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
@@ -2191,7 +2191,7 @@ public class AppControllerExplorer implements EventHandler, TreeAppControllerInt
 
 			@Override
 			public void onSuccess(Boolean arg0) {
-				String msg =  "Adding administrator/s completed successfully";
+				String msg =  "Updating administrator/s completed successfully";
 				MessageBox.info("Operation completed", msg, null);
 				
 			}