Added missing fields

Author: echumak-sift

CHANGES.MD

@@ -1,7 +1,7 @@
 3.22.0 (2026-01-05)
 =================
 - Added support for `$user_email`, `$review.$reviewed_user_id` fields to `$create_content`, `$update_content` events
-- Added support for `$brand_name`, `$site_country`, `$site_domain` field to `$flag_content` event
+- Added support for `$brand_name`, `$site_country`, `$site_domain` fields to `$flag_content` event
 
 3.21.2 (2025-07-29)
 =================