added lang as a reserved var
diff --git a/user_guide/general/reserved_names.html b/user_guide/general/reserved_names.html
index 1d09e3c..318416f 100644
--- a/user_guide/general/reserved_names.html
+++ b/user_guide/general/reserved_names.html
@@ -114,7 +114,8 @@
 <ul>

 	<li>$config</li>

 	<li>$mimes</li>

-	</ul>

+	<li>lang</li>

+</ul>

 <h3>Constants</h3>

 <ul>

 	<li>EXT</li>