tiny changes

docs/installation_instructions.rst

@@ -163,21 +163,6 @@ you already have a machine with a world-facing IP address. Make sure
 that your VPS meets our `prerequisites <#prerequisites>`__. You'll need
 its *hostname* and its *IP address*.
 
-.. note::
-  You can use the ``--acme-staging`` argument for testing
-  purposes. If you are automating this, please use this to ensure you
-  use "staging" certificates from Let's Encrypt, to reduce the stress
-  on their servers. However, ONLYOFFICE and single sign-on integration
-  require valid (live) certificates to work properly so please don't
-  use this option by default.
-
-If you want your cluster to be reachable under the fully qualified
-domain name (``FQDN``) ``oas.example.org``, the corresponding parameters
-would be:
-
--  ``--subdomain``: ``oas``
--  the ``DOMAIN`` positional argument: ``example.org``
-
 Create the OpenAppStack settings for your VPS by running the following
 command:
 
@@ -189,6 +174,13 @@ command:
       --subdomain oas \
       example.org
 
+This configures your cluster under the fully qualified domain name
+``oas.example.org``, the corresponding parameters would be:
+
+-  ``--subdomain``: ``oas``
+-  the ``DOMAIN`` positional argument: ``example.org``
+
+
 DNS entries
 '''''''''''