diff --git a/system/core/Config.php b/system/core/Config.php
index 14ade72..e7cbe56 100644
--- a/system/core/Config.php
+++ b/system/core/Config.php
@@ -184,7 +184,7 @@
 	 *
 	 * @param	string	$item	Config item name
 	 * @param	string	$index	Index name
-	 * @return	string|null	The configuration item or NULL on failure
+	 * @return	string|null	The configuration item or NULL if the item doesn't exist
 	 */
 	public function item($item, $index = '')
 	{