Description for custom in dropdown

app/views/shared/notifications/_notification_dropdown.html.haml

@@ -6,8 +6,8 @@
 
     = notification_list_item(level, notification_setting)
 
-  - unless notification_setting.custom?
   %li.divider
   %li
     %a.update-notification{ href: "#", role: "button", data: { toggle: "modal", target: "#" + notifications_menu_identifier("modal", notification_setting), notification_level: "custom", notification_title: "Custom" } }
-        Custom
+      %strong.dropdown-menu-inner-title Custom
+      %span.dropdown-menu-inner-content= notification_description("custom")