UI Bootstrap Tooltip / IPhone Issue

HTML

<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.1/css/bootstrap-combined.min.css">
<script src="https://code.angularjs.org/1.3.0/angular.min.js"></script>
<script src="https://cdn.rawgit.com/angular-ui/bootstrap/gh-pages/ui-bootstrap-tpls-0.11.2.min.js"></script>
<br/><br/>
    <span onclick="void(0)" tooltip-placement="right" tooltip="Some tooltip" >Here is a tooltip</span>

CSS

x

JavaScript

var myApp = angular.module('myApp', ['ui.bootstrap']);