removed random invisible character (ASCII 194) from HTML and PHP files
diff --git a/user_guide/installation/upgrade_160.html b/user_guide/installation/upgrade_160.html
index a62ae57..f9b4c3b 100644
--- a/user_guide/installation/upgrade_160.html
+++ b/user_guide/installation/upgrade_160.html
@@ -84,11 +84,11 @@
 <p>Add the following to system/application/autoload.php</p>

 <p><code> /*<br />

 	| -------------------------------------------------------------------<br />

-	|  Auto-load Model files<br />

+	|  Auto-load Model files<br />

 	| -------------------------------------------------------------------<br />

 	| Prototype:<br />

 	|<br />

-	|    $autoload['model'] = array('my_model');<br />

+	|  $autoload['model'] = array('my_model');<br />

 	|<br />

 	*/<br />

 	<br />