Rename the after setup page and update links to it

doc/gitlab-geo/README.md

@@ -144,7 +144,7 @@ If you installed GitLab using the Omnibus packages (highly recommended):
 1. [Configure SSH authorizations to use the database](ssh.md)
 1. [Configure GitLab](configuration.md) to set the primary and secondary nodes.
 1. Optional: [Configure a secondary LDAP server](../administration/auth/ldap.md) for the secondary. See [notes on LDAP](#ldap).
-1. [Follow the after setup steps](after_setup.md).
+1. [Follow the "Using a Geo Server" guide](using_a_geo_server.md).
 
 [install-ee]: https://about.gitlab.com/downloads-ee/ "GitLab Enterprise Edition Omnibus packages downloads page"
 
@@ -160,7 +160,7 @@ If you installed GitLab from source:
 1. [Configure SSH authorizations to use the database](ssh.md)
 1. [Configure GitLab](configuration_source.md) to set the primary and secondary
    nodes.
-1. [Follow the after setup steps](after_setup.md).
+1. [Follow the "Using a Geo Server" guide](using_a_geo_server.md).
 
 [install-ee-source]: https://docs.gitlab.com/ee/install/installation.html "GitLab Enterprise Edition installation from source"
 

doc/gitlab-geo/configuration.md

@@ -157,7 +157,7 @@ correctly identified as a secondary Geo node and if Geo is enabled.
 If your installation isn't working properly, check the
 [troubleshooting](#troubleshooting) section.
 
-Point your users to the [after setup steps](after_setup.md).
+Point your users to the ["Using a Geo Server" guide](using_a_geo_server.md).
 
 ## Selective replication
 

doc/gitlab-geo/configuration_source.md

@@ -176,7 +176,7 @@ correctly identified as a secondary Geo node and if Geo is enabled.
 If your installation isn't working properly, check the
 [troubleshooting](configuration.md#troubleshooting) section.
 
-Point your users to the [after setup steps](after_setup.md).
+Point your users to the ["Using a Geo Server" guide](using_a_geo_server.md).
 
 ## Selective replication
 

doc/gitlab-geo/after_setup.md → doc/gitlab-geo/using_a_geo_server.md

-# After setup
+# Using a Geo Server
 
 After you set up the [database replication and configure the GitLab Geo nodes][req],
 there are a few things to consider:
@@ -6,13 +6,13 @@ there are a few things to consider:
 1. Users need an extra step to be able to fetch code from the secondary and push
    to primary:
 
-     1. Clone the repository as normal do from the secondary node:
+     1. Clone the repository as you would normally do, but from the secondary node:
 
          ```bash
          git clone git@secondary.gitlab.example.com:user/repo.git
          ```
 
-     1. Change the remote push URL following this example:
+     1. Change the remote push URL to always push to primary, following this example:
 
          ```bash
          git remote set-url --push origin git@primary.gitlab.example.com:user/repo.git