diff --git a/src/main/java/org/gcube/portlets/user/td/rulewidget/client/multicolumn/RuleOnTableApplyOperationInProgressCard.java b/src/main/java/org/gcube/portlets/user/td/rulewidget/client/multicolumn/RuleOnTableApplyOperationInProgressCard.java
index 33c9a6a..eaaa50a 100644
--- a/src/main/java/org/gcube/portlets/user/td/rulewidget/client/multicolumn/RuleOnTableApplyOperationInProgressCard.java
+++ b/src/main/java/org/gcube/portlets/user/td/rulewidget/client/multicolumn/RuleOnTableApplyOperationInProgressCard.java
@@ -187,7 +187,7 @@ public class RuleOnTableApplyOperationInProgressCard extends WizardCard
 		final TRId newTrId = operationResult.getTrId();
 		SafeHtmlBuilder safeHtmlBuilder = new SafeHtmlBuilder();
 		safeHtmlBuilder
-				.appendHtmlConstant("<div style='text-align:center;font-size:large;font-weight:bold;color: #FF9900;'>Validation Failed!</div>");
+				.appendHtmlConstant("<div style='text-align:center;font-size:large;font-weight:bold;color: #FF9900;'>Validation Failed</div>");
 		resultField.setHTML(safeHtmlBuilder.toSafeHtml());
 		resultField.setVisible(true);