diff --git a/_config.php b/_config.php
index e2e0eebe..1cb6f7a8 100644
--- a/_config.php
+++ b/_config.php
@@ -1,5 +1,7 @@
 <?php
-
+/**
+ * URL rules for the CMS module
+ */
 Director::addRules(50, array(
 	'processes/$Action/$ID/$Batch' => 'BatchProcess_Controller',
 	'silverstripe/' => '->admin/',