Correct case for (and don't pluralize) Special alert.

uw_cfg_common.links.menu.yml

@@ -262,8 +262,8 @@ uw_content_management.content_types.site_footer:
   url: internal:/node/add/uw_ct_site_footer
   weight: 0
 
-uw_content_management.content_types.special_alerts:
-  title: 'Special Alerts'
+uw_content_management.content_types.special_alert:
+  title: 'Special alert'
   parent: uw_content_management.content_types
   route_name: uw_custom_blocks.special_alert.settings
   weight: 0