Fix ordering in 8.5-to-8.6 update guide

[ci skip]

doc/update/8.5-to-8.6.md

@@ -105,35 +105,37 @@ via [/etc/default/gitlab].
 [Apache templates]: https://gitlab.com/gitlab-org/gitlab-recipes/tree/master/web-server/apache
 [/etc/default/gitlab]: https://gitlab.com/gitlab-org/gitlab-ce/blob/8-6-stable/lib/support/init.d/gitlab.default.example#L37
 
+#### Init script
+
+Ensure you're still up-to-date with the latest init script changes:
+
+    sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab
+
 ### 8. Updates for PostgreSQL Users
 
 Starting with 8.6 users using GitLab in combination with PostgreSQL are required
-to have the "pg_trgm" extension enabled for all GitLab databases. If you're
+to have the `pg_trgm` extension enabled for all GitLab databases. If you're
 using GitLab's Omnibus packages there's nothing you'll need to do manually as
 this extension is enabled automatically. Users who install GitLab without using
 Omnibus (e.g. by building from source) have to enable this extension manually.
 To enable this extension run the following SQL command as a PostgreSQL super
 user for _every_ GitLab database:
 
-    CREATE EXTENSION IF NOT EXISTS pg_trgm;
+```sql
+CREATE EXTENSION IF NOT EXISTS pg_trgm;
+```
 
 Certain operating systems might require the installation of extra packages for
 this extension to be available. For example, users using Ubuntu will have to
-install the "postgresql-contrib" package in order for this extension to be
+install the `postgresql-contrib` package in order for this extension to be
 available.
 
-#### Init script
-
-Ensure you're still up-to-date with the latest init script changes:
-
-    sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab
-
-### 8. Start application
+### 9. Start application
 
     sudo service gitlab start
     sudo service nginx restart
 
-### 9. Check application status
+### 10. Check application status
 
 Check if GitLab and its environment are configured correctly: