diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/versioning/VersioningInfoContainer.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/versioning/VersioningInfoContainer.java
index 5980a49..dfce942 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/versioning/VersioningInfoContainer.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/versioning/VersioningInfoContainer.java
@@ -223,7 +223,7 @@ public class VersioningInfoContainer extends LayoutContainer {
 
 				String msg = "Deleting all older versions of: <br/> - "+ currentVersion.getName()+"." +
 					"<br/>Confirm?";
-				DialogConfirm box = new DialogConfirm(null, "Delete older versions of:"+ currentVersion.getName(), msg);
+				DialogConfirm box = new DialogConfirm(null, "Delete older versions of: "+ currentVersion.getName(), msg);
 				box.getYesButton().addClickHandler(new ClickHandler() {
 
 					@Override