Description of problem:
=======================
https://doc-stage.usersys.redhat.com/documentation/en-us/red_hat_gluster_storage/3.3/html-single/quick_start_guide/#web_administration_installation

Update the Web-Admin server FQDN in the required places in the site.yml file.

Under point 3, changes need to be made as to where to update the sever's FQDN name or there will be issues in the installation.


Actual results:
===============
Additionally, update the etcd_fqdn, etcd_ip_address, and the graphite_fqdn parameters, if required, or rely on the default values. 
We are not supposed to update etcd_ip_address with the FQDN name. 

Expected results:
=================
Additionally, under vars at the middle and end of the site.yml file, update the etcd_fqdn, graphite_fqdn, and under roles, and the  parameters, if required, or rely on the default values.