Refresh popular topics table

Also other minor improvements.

doc/.vale/gitlab/Acronyms.yml

@@ -46,7 +46,9 @@ exceptions:
   - NFS
   - NGINX
   - NOTE
+  - NPM
   - ONLY
+  - PDF
   - PGP
   - PHP
   - POST
@@ -63,6 +65,7 @@ exceptions:
   - SSH
   - SSL
   - SSO
+  - SVN
   - TCP
   - TIP
   - TLS

doc/.vale/gitlab/spelling-exceptions.txt

@@ -225,6 +225,7 @@ LDAP
 ldapsearch
 Leiningen
 Libravatar
+liveness
 Lograge
 Logstash
 lookahead

doc/ci/yaml/README.md

@@ -5,7 +5,7 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 type: reference
 ---
 
-# GitLab CI/CD Pipeline Configuration Reference
+# GitLab CI/CD pipeline configuration reference
 
 GitLab CI/CD [pipelines](../pipelines/index.md) are configured using a YAML file called `.gitlab-ci.yml` within each project.
 

doc/policy/maintenance.md

@@ -2,7 +2,7 @@
 type: concepts
 ---
 
-# GitLab Release and Maintenance Policy
+# GitLab release and maintenance policy
 
 GitLab has strict policies governing version naming, as well as release pace for major, minor,
 patch, and security releases. New releases are usually announced on the [GitLab blog](https://about.gitlab.com/releases/categories/releases/).

doc/raketasks/backup_restore.md

-# Backing up and restoring GitLab **(CORE ONLY)**
+# Back up and restore GitLab **(CORE ONLY)**
 
 GitLab provides Rake tasks for backing up and restoring GitLab instances.
 

doc/user/admin_area/license.md

@@ -5,7 +5,7 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 type: howto
 ---
 
-# Activate all GitLab Enterprise Edition functionality with a license **(STARTER ONLY)**
+# Activate GitLab EE with a license **(STARTER ONLY)**
 
 To activate all GitLab Enterprise Edition (EE) functionality, you need to upload
 a license. Once you've received your license from GitLab Inc., you can upload it

doc/user/profile/account/two_factor_authentication.md

@@ -5,9 +5,9 @@ group: Access
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
 ---
 
-# Two-Factor Authentication
+# Two-factor authentication
 
-Two-factor Authentication (2FA) provides an additional level of security to your
+Two-factor authentication (2FA) provides an additional level of security to your
 GitLab account. Once enabled, in addition to supplying your username and
 password to login, you'll be prompted for a code generated by your one time password
 authenticator. For example, a password manager on one of your devices.
@@ -62,7 +62,7 @@ To enable 2FA:
    1. Click **Submit**.
 
 If the pin you entered was correct, you'll see a message indicating that
-Two-Factor Authentication has been enabled, and you'll be presented with a list
+two-factor authentication has been enabled, and you'll be presented with a list
 of [recovery codes](#recovery-codes). Make sure you download them and keep them
 in a safe place.