Revert "Simplify wording around hostname configuration"

This reverts commit ceab0ab9cf.

doc/quick-install.md

@@ -52,13 +52,9 @@ apt-get update
 apt-get -y install jitsi-meet
 ```
 
-During the installation, you will be asked to enter the hostname of the Jitsi Meet instance.
+During the installation, you will be asked to enter the hostname of the Jitsi Meet instance. If you have a FQDN hostname for the instance already set up in DNS, enter it there. If you don't have a resolvable hostname, you can enter the IP address of the machine (if it is static or doesn't change).
 
-If the system has a fully-qualified DNS name (such as `https://jitsi.example.org`), enter it when prompted.
+This hostname (or IP address) will be used for virtualhost configuration inside the Jitsi Meet and also, you and your correspondents will be using it to access the web conferences.
-
-Alternatively, you can enter the IP address of the machine (if it is static or doesn't change).
-
-You'll need to share this hostname or IP address with conference participants who will use your service.
 
 #### Advanced configuration
 If installation is on a machine [behind NAT](https://github.com/jitsi/jitsi-meet/blob/master/doc/faq.md) further configuration of jitsi-videobridge is needed in order for it to be accessible.