diff --git a/addressbook/inc/class.addressbook_hooks.inc.php b/addressbook/inc/class.addressbook_hooks.inc.php
index d1feb36961..0363e99623 100644
--- a/addressbook/inc/class.addressbook_hooks.inc.php
+++ b/addressbook/inc/class.addressbook_hooks.inc.php
@@ -105,6 +105,8 @@ class addressbook_hooks
 
 	/**
 	 * populates $settings for the preferences
+	 *
+	 * @return array
 	 */
 	static function settings()
 	{