[DOCS]: Fix typo on User Guide server (RocketChat#1440)

* [DOCS]: Fix typo on User Guide server

* Fix build errors.

* Remove trailing spaces

Author: narcher7

user-guides/connecting-to-a-server/README.md

@@ -1,28 +1,30 @@
-# Connecting to a server
+# Connect to a server
 
 Use a web browser, the Rocket.Chat desktop/mobile application, or your choice of [client applications](https://rocket.chat/download) to connect to a Rocket.Chat server.
 
-## Using a web browser
+## Use a web browser
 
-To connect to a Rocket.Chat server through a web browser, enter the desired server address in the browser's address bar (i.e. `https://open.rocket.chat.com`)
+To connect to a Rocket.Chat server through a web browser, enter the desired server address in the browser's address bar such as `https://open.rocket.chat.com`.
 
 After entering a valid Rocket.Chat server address, the [registration](../registration/) and [log in](../login/) page appears. Enter your credentials to log in or register to become a member of that server.
 
-## Using the Desktop application
+## Use the desktop app
 
-To connect to a Rocket.Chat server using the desktop app, [download](https://rocket.chat/download) the app specific to your operating system.
+To connect to a Rocket.Chat server using the desktop app:
 
-Install and open the app. If this is your first time using the desktop app, the server connect screen appears. To connect to a server, enter a valid server address and click **Connect**.
+1. [Download](https://rocket.chat/download) the app specific to your operating system.
+2. Install and open the app.
+3. The server connect screen appears. To connect to a server, enter a valid server address and click **Connect**.
 
 After entering a valid Rocket.Chat server address, the [registration](../registration/) and [log in](../login/) page appears. Enter your credentials to log in or register to become a member of that server.
 
-### Connecting to more than one server
+### Connect to more than one server
 
 When using a Rocket.Chat desktop application you can connect to multiple Rocket.Chat servers.
 
 To add a new server, click the **plus** icon below the server list on the left sidebar and follow the [instructions](../connecting-to-a-server/) to connect to a Rocket.Chat server.
 
-## Using the mobile app
+## Use the mobile app
 
 To connect to a Rocket.Chat server using a mobile client app [download](https://rocket.chat/download) the app for your mobile operating system. To find the app, search for "Rocket.Chat" in either Google Play or App Store. Download the application and install.