diff --git a/spi.quicksearch/src/org/netbeans/modules/quicksearch/AbstractQuickSearchComboBar.java b/spi.quicksearch/src/org/netbeans/modules/quicksearch/AbstractQuickSearchComboBar.java
--- a/spi.quicksearch/src/org/netbeans/modules/quicksearch/AbstractQuickSearchComboBar.java
+++ b/spi.quicksearch/src/org/netbeans/modules/quicksearch/AbstractQuickSearchComboBar.java
@@ -134,7 +134,11 @@
         });
 
         command = createCommandField();
-        command.setToolTipText(org.openide.util.NbBundle.getMessage(AbstractQuickSearchComboBar.class, "AbstractQuickSearchComboBar.command.toolTipText", new Object[] {"(" + SearchResultRender.getKeyStrokeAsText(keyStroke) + ")"})); // NOI18N
+        String shortcutText="";
+        if (!SearchResultRender.getKeyStrokeAsText(keyStroke).isEmpty()) {
+            shortcutText = "(" + SearchResultRender.getKeyStrokeAsText(keyStroke) + ")";
+        }
+        command.setToolTipText(org.openide.util.NbBundle.getMessage(AbstractQuickSearchComboBar.class, "AbstractQuickSearchComboBar.command.toolTipText", new Object[] {shortcutText})); // NOI18N
         command.setName("command"); // NOI18N
         command.addFocusListener(new java.awt.event.FocusAdapter() {
             @Override
@@ -325,9 +329,12 @@
         } else {
             sb.append(NbBundle.getMessage(AbstractQuickSearchComboBar.class, "MSG_DiscoverabilityHint")); //NOI18N
         }
-        sb.append(" (");
-        sb.append(SearchResultRender.getKeyStrokeAsText(keyStroke));
-        sb.append(")");
+        String keyStrokeAsText = SearchResultRender.getKeyStrokeAsText(keyStroke);
+        if (!keyStrokeAsText.isEmpty()){
+            sb.append(" (");
+            sb.append(keyStrokeAsText);
+            sb.append(")");
+        }
 
         return sb.toString();
     }