Move notes at the top

doc/gitlab-geo/configuration.md

 # GitLab Geo configuration
 
+>**Note:**
+This is the documentation for the Omnibus GitLab packages. For installations
+from source, follow the [**GitLab Geo nodes configuration for installations
+from source**](configuration_source.md) guide.
+
 1. [Install GitLab Enterprise Edition][install-ee] on the server that will serve
    as the secondary Geo node. Do not login or set up anything else in the
    secondary node for the moment.
@@ -9,11 +14,6 @@
 
 [install-ee]: https://about.gitlab.com/downloads-ee/ "GitLab Enterprise Edition Omnibus packages downloads page"
 
->**Note:**
-This is the documentation for the Omnibus GitLab packages. For installations
-from source, follow the [**GitLab Geo nodes configuration for installations
-from source**](configuration_source.md) guide.
-
 This is the final step you need to follow in order to setup a Geo node.
 
 You are encouraged to first read through all the steps before executing them

doc/gitlab-geo/configuration_source.md

 # GitLab Geo configuration
 
+>**Note:**
+This is the documentation for installations from source. For installations
+using the Omnibus GitLab packages, follow the
+[**Omnibus GitLab Geo nodes configuration**](configuration.md) guide.
+
 1. [Install GitLab Enterprise Edition][install-ee-source] on the server that
    will serve as the secondary Geo node. Do not login or set up anything else
    in the secondary node for the moment.
@@ -9,11 +14,6 @@
 
 [install-ee-source]: https://docs.gitlab.com/ee/install/installation.html "GitLab Enterprise Edition installation from source"
 
->**Note:**
-This is the documentation for installations from source. For installations
-using the Omnibus GitLab packages, follow the
-[**Omnibus GitLab Geo nodes configuration**](configuration.md) guide.
-
 This is the final step you need to follow in order to setup a Geo node.
 
 You are encouraged to first read through all the steps before executing them

doc/gitlab-geo/database.md

 # GitLab Geo database replication
 
+>**Note:**
+This is the documentation for the Omnibus GitLab packages. For installations
+from source, follow the
+[**database replication for installations from source**](database_source.md) guide.
+
 1. [Install GitLab Enterprise Edition][install-ee] on the server that will serve
    as the secondary Geo node. Do not login or set up anything else in the
    secondary node for the moment.
@@ -9,11 +14,6 @@
 
 [install-ee]: https://about.gitlab.com/downloads-ee/ "GitLab Enterprise Edition Omnibus packages downloads page"
 
->**Note:**
-This is the documentation for the Omnibus GitLab packages. For installations
-from source, follow the
-[**database replication for installations from source**](database_source.md) guide.
-
 This document describes the minimal steps you have to take in order to
 replicate your GitLab database into another server. You may have to change
 some values according to your database setup, how big it is, etc.

doc/gitlab-geo/database_source.md

 # GitLab Geo database replication
 
+>**Note:**
+This is the documentation for installations from source. For installations
+using the Omnibus GitLab packages, follow the
+[**database replication for Omnibus GitLab**](database.md) guide.
+
 1. [Install GitLab Enterprise Edition][install-ee-source] on the server that
    will serve as the secondary Geo node. Do not login or set up anything else
    in the secondary node for the moment.
@@ -10,11 +15,6 @@
 
 [install-ee-source]: https://docs.gitlab.com/ee/install/installation.html "GitLab Enterprise Edition installation from source"
 
->**Note:**
-This is the documentation for installations from source. For installations
-using the Omnibus GitLab packages, follow the
-[**database replication for Omnibus GitLab**](database.md) guide.
-
 This document describes the minimal steps you have to take in order to
 replicate your GitLab database into another server. You may have to change
 some values according to your database setup, how big it is, etc.