Merge branch 'rc-build-38-mangled-markdown' into 'master'

Fixup markdown document structure

Closes gitlab-org/build/team-tasks#38

See merge request gitlab-org/gitlab-ee!3381

doc/administration/high_availability/alpha_database.md

@@ -114,6 +114,7 @@ We will need the following password information for the application's database u
 
 - `POSTGRESQL_USER_PASSWORD`. The password for the database user
 - `POSTGRESQL_PASSWORD_HASH`. The md5 hash of POSTGRESQL_USER_PASSWORD
+
 #### Pgbouncer
 
 When using default setup, minimum configuration requires: