I am using bootstrap3 and have created a dropdown menu, the children of the top level are working ok but the parent is not working when I try to say click on 'About', it just shows the children and does not go to about.php
<div class="collapse navbar-collapse navbar-ex1-collapse">
<ul class="nav navbar-nav">
<li><a href="index.php">Home</a>
</li>
<li class="dropdown"><a href="about.php" data-toggle="dropdown" class="dropdown-toggle">About<b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="hours.php">Hours</a> </li>
<li><a href="terms.php">Terms/Conditions of Hire</a> </li>
</ul>
</li>
<li><a href="location.php">Find Us</a>
</li>
<li><a href="services.php">Services</a>
</li>
<li><a href="contact.php">Contact</a>
</li>
</ul>
</div>