update label in styles pane

third_party/WebKit/Source/devtools/front_end/elements/StylesSidebarPane.js

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 751 matching lines @@
         var items = [];
         var colorButton = new WebInspector.ToolbarButton(WebInspector.UIString("Add color"), "foreground-color-toolbar-item");
         colorButton.addEventListener("click", this._onInsertColorPropertyClick.bind(this));
         items.push(colorButton);
 
         var backgroundButton = new WebInspector.ToolbarButton(WebInspector.UIString("Add background-color"), "background-color-toolbar-item");
         backgroundButton.addEventListener("click", this._onInsertBackgroundColorPropertyClick.bind(this));
         items.push(backgroundButton);
 
         if (rule) {
-            var newRuleButton = new WebInspector.ToolbarButton(WebInspector.UIString("Insert Style Rule"), "add-toolbar-item");
+            var newRuleButton = new WebInspector.ToolbarButton(WebInspector.UIString("Insert Style Rule Below"), "add-toolbar-item");
             newRuleButton.addEventListener("click", this._onNewRuleClick.bind(this));
             items.push(newRuleButton);
         }
 
         var menuButton = new WebInspector.ToolbarButton(WebInspector.UIString("More tools\u2026"), "menu-toolbar-item");
         items.push(menuButton);
 
         if (items.length) {
             var sectionToolbar = new WebInspector.Toolbar("sidebar-pane-section-toolbar", closeBrace);
 
@@ skipping 2303 matching lines @@
     WebInspector.context.addFlavorChangeListener(WebInspector.DOMNode, onNodeChanged);
     onNodeChanged();
     return button;
 
     function onNodeChanged()
     {
         var node = WebInspector.context.flavor(WebInspector.DOMNode);
         button.setEnabled(!!node);
     }
 }