CR: added spaces

Signed-off-by: Roland Haeder <roland@mxchange.org>

include/acl_selectors.php

@@ -55,7 +55,8 @@ function group_select($selname,$selclass,$preselected = false,$size = 4) {
 	return $o;
 }
 
-
+/// @TODO after an optional parameter, no mandadory parameter can follow
+/// @TODO find proper type-hints
 function contact_selector($selname, $selclass, $preselected = false, $options) {
 
 	$a = get_app();