replaced www.codeigniter.com with codeigniter.com
diff --git a/user_guide/installation/upgrade_153.html b/user_guide/installation/upgrade_153.html
index 33d3837..4a6dfc7 100644
--- a/user_guide/installation/upgrade_153.html
+++ b/user_guide/installation/upgrade_153.html
@@ -40,7 +40,7 @@
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">

 <tr>

 <td id="breadcrumb">

-<a href="http://www.codeigniter.com/">CodeIgniter Home</a> &nbsp;&#8250;&nbsp;

+<a href="http://codeigniter.com/">CodeIgniter Home</a> &nbsp;&#8250;&nbsp;

 <a href="../index.html">User Guide Home</a> &nbsp;&#8250;&nbsp;Upgrading from 1.5.2 to 1.5.3

 </td>

 <td id="searchbox"><form method="get" action="http://www.google.com/search"><input type="hidden" name="as_sitesearch" id="as_sitesearch" value="codeigniter.com/user_guide/" />Search User Guide&nbsp; <input type="text" class="input" style="width:200px;" name="q" id="q" size="31" maxlength="255" value="" />&nbsp;<input type="submit" class="submit" name="sa" value="Go" /></form></td>

@@ -93,7 +93,7 @@
 <a href="../index.html">User Guide Home</a>&nbsp;&nbsp;&nbsp;&middot;&nbsp;&nbsp;

 Next Topic:&nbsp;&nbsp;<a href="../overview/at_a_glance.html">CodeIgniter at a Glance</a>

 </p>

-<p><a href="http://www.codeigniter.com">CodeIgniter</a> &nbsp;&middot;&nbsp; Copyright &#169; 2007 &nbsp;&middot;&nbsp; <a href="http://ellislab.com/">Ellislab, Inc.</a></p>

+<p><a href="http://codeigniter.com">CodeIgniter</a> &nbsp;&middot;&nbsp; Copyright &#169; 2007 &nbsp;&middot;&nbsp; <a href="http://ellislab.com/">Ellislab, Inc.</a></p>

 </div>

 

 </body>