fixed a path in upgrading docs
diff --git a/user_guide/installation/upgrade_160.html b/user_guide/installation/upgrade_160.html
index ffe8b5e..179c9e0 100644
--- a/user_guide/installation/upgrade_160.html
+++ b/user_guide/installation/upgrade_160.html
@@ -81,7 +81,7 @@
<p>Add the following to system/application/config/config.php with the other session configuration options</p>
<p><code>$config['sess_time_to_update'] = 300;</code></p>
<h2>Step 3: Add $autoload['model']</h2>
-<p>Add the following to system/application/autoload.php</p>
+<p>Add the following to system/application/config/autoload.php</p>
<p><code> /*<br />
| -------------------------------------------------------------------<br />
| Auto-load Model files<br />