replaced www.codeigniter.com with codeigniter.com
diff --git a/user_guide/installation/upgrade_150.html b/user_guide/installation/upgrade_150.html
index 456e4da..0fb5e81 100644
--- a/user_guide/installation/upgrade_150.html
+++ b/user_guide/installation/upgrade_150.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> ›
+<a href="http://codeigniter.com/">CodeIgniter Home</a> ›
<a href="../index.html">User Guide Home</a> ›
Upgrading from 1.4.1 to 1.5.0
</td>
@@ -107,8 +107,8 @@
| This item allows you to set the filename/classname prefix when extending
| native libraries. For more information please see the user guide:
|
-| http://www.codeigniter.com/user_guide/general/core_classes.html
-| http://www.codeigniter.com/user_guide/general/creating_libraries.html
+| http://codeigniter.com/user_guide/general/core_classes.html
+| http://codeigniter.com/user_guide/general/creating_libraries.html
|
*/
$config['subclass_prefix'] = 'MY_';
@@ -171,7 +171,7 @@
<a href="../index.html">User Guide Home</a> ·
Next Topic: <a href="../overview/at_a_glance.html">CodeIgniter at a Glance</a>
</p>
-<p><a href="http://www.codeigniter.com">CodeIgniter</a> · Copyright © 2007 · <a href="http://ellislab.com/">Ellislab, Inc.</a></p>
+<p><a href="http://codeigniter.com">CodeIgniter</a> · Copyright © 2007 · <a href="http://ellislab.com/">Ellislab, Inc.</a></p>
</div>
</body>