Update en_dashlet_limits.lng

interface/web/dashboard/lib/lang/en_dashlet_limits.lng

@@ -28,4 +28,7 @@ $wb["limit_webdav_user_txt"] = 'Number of Webdav users';
 $wb["limit_client_txt"] = 'Number of Clients';
 $wb["limit_database_txt"] = 'Number of Databases';
 $wb['limit_domain_txt'] = 'Number of Domains';
+$wb['limit_mailquota_txt'] = 'Assigned mailbox quota';
+$wb['limit_web_quota_txt'] = 'Assigned web quota';
+$wb['limit_database_quota_txt'] = 'Assigned database quota';
 ?>