fix the dashboard + icon

src/kibana/apps/dashboard/index.html

@@ -53,7 +53,7 @@
 
   <div ng-show="!state.panels.length" class="text-center start-screen">
     <h2>Ready to get started?</h2>
-    <p>Click the <a class="btn btn-xs navbtn-inverse" ng-click="openAdd()"><i class="fa fa-plus"></i></a> button in the menu bar above to add a visualization to the dashboard. <br/>If you haven't setup a visualization yet visit the <a href="#/visualize">"Visualize"</a> tab to create your first visualization.</p>
+    <p>Click the <a class="btn btn-xs navbtn-inverse" ng-click="openAdd()"><i class="fa fa-plus-circle"></i></a> button in the menu bar above to add a visualization to the dashboard. <br/>If you haven't setup a visualization yet visit the <a href="#/visualize">"Visualize"</a> tab to create your first visualization.</p>
   </div>
 
   <dashboard-grid></dashboard-grid>