Update for CSS.

Author: engcom-Kilo

ReCaptchaAdminUi/view/adminhtml/web/css/source/_module.less

@@ -2,7 +2,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-.recaptcha_frontend_type_for_recaptcha_backend_info_heading_notice,
+.recaptcha_backend_type_for_recaptcha_backend_info_heading_notice,
 .recaptcha_frontend_type_for_recaptcha_frontend_info_heading_notice {
     strong {
         color: @grid-severity-critical-color;