Fixed an example in Model docs
diff --git a/user_guide/general/models.html b/user_guide/general/models.html
index 2759f02..5217257 100644
--- a/user_guide/general/models.html
+++ b/user_guide/general/models.html
@@ -110,7 +110,7 @@
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$this->content = $_POST['content'];<br />

 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$this->date&nbsp;&nbsp;&nbsp; = time();<br />

 <br />

-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$this->db->update('entries',&nbsp;$this, array('id',&nbsp;$_POST['id']));<br />

+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$this->db->update('entries',&nbsp;$this, array('id' => $_POST['id']));<br />

 &nbsp;&nbsp;&nbsp;&nbsp;}<br />

 <br />

 }</code>