Merge branch 'fix-links-in-update-readme' into 'master'

Documentaion: Fix links on "Upgrading from non-Omnibus PostgreSQL to an Omnibus installation"

See merge request gitlab-org/omnibus-gitlab!2068

doc/update/README.md

@@ -442,7 +442,7 @@ Please be advised that you lose your settings in files such as gitlab.yml, unico
 You will have to [configure those settings in /etc/gitlab/gitlab.rb](../README.md#configuring).
 ### Upgrading from non-Omnibus PostgreSQL to an Omnibus installation using a backup
-Upgrade by [creating a backup from the non-Omnibus install](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/raketasks/backup_restore.md#create-a-backup-of-the-gitlab-system) and [restoring this in the Omnibus installation](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/raketasks/backup_restore.md#omnibus-installations).
+Upgrade by [creating a backup from the non-Omnibus install](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/raketasks/backup_restore.md#creating-a-backup-of-the-gitlab-system) and [restoring this in the Omnibus installation](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/raketasks/backup_restore.md#restore-for-omnibus-installations).
 Please ensure you are using exactly equal versions of GitLab (for example 6.7.3) when you do this.
 You might have to upgrade your non-Omnibus installation before creating the backup to achieve this.