* may be overridden according to global configs.
*
* @since 1.33
- * @param string $right Right to check
- * @return bool|null null if unrecognized right or unset property
+ * @param string $right
+ * @return bool|null The block applies to the right, or null if
+ * unsure (e.g. unrecognized right or unset property)
*/
public function appliesToRight( $right ) {
$config = RequestContext::getMain()->getConfig();