Merge branch 'update-vale-admin-rule' into 'master'

Make vale rule match messge

See merge request gitlab-org/gitlab!45491

doc/.vale/gitlab/AdminArea.yml → doc/.vale/gitlab/Admin.yml

 ---
-# Warning: gitlab.AdminArea
+# Warning: gitlab.Admin
 #
 # You should not use "admin", but "Admin Area" is OK.
 #
@@ -10,4 +10,4 @@ link: https://docs.gitlab.com/ee/development/documentation/styleguide.html
 level: warning
 ignorecase: true
 swap:
-  'admin ?\w*': '(?:Admin Area|[Aa]dministrat(ion|or|e))'
+  'admin ?\w*': '(?:Admin Area|[Aa]dminist(ration|rator|er))'

doc/user/project/clusters/serverless/index.md

@@ -565,7 +565,7 @@ over `https`, you must manually obtain and install TLS certificates.
 The simplest way to accomplish this is to use Certbot to
 [manually obtain Let's Encrypt certificates](https://knative.dev/docs/serving/using-a-tls-cert/#using-certbot-to-manually-obtain-let-s-encrypt-certificates).
 Certbot is a free, open source software tool for automatically using Let’s Encrypt
-certificates on manually-administrated websites to enable HTTPS.
+certificates on manually-administered websites to enable HTTPS.
 
 The following instructions relate to installing and running Certbot on a Linux
 server that has Python 3 installed, and may not work on other operating systems