(DOCS): Edit Email configuration (RocketChat#1452)

* (DOCS): Edit Email configuration

* Edit headers

Author: paulofariadias

administrator-guides/email/setup/README.md

@@ -1,24 +1,26 @@
 # Email Configuration
 
-Rocket.Chat have multiple features using email, like notifications, email verification, mailer, and much more.
+Rocket.Chat features include using emails, notifications, email verification, mailer, and much more.
 
-Before using those features, you will have to connect a SMTP server to Rocket.Chat. To do that you will need to have access to an SMTP server and valid SMTP login credentials.
+Before using those features, you must connect a SMTP server to Rocket.Chat. To do that, you must have access to a SMTP server and a valid SMTP log in credentials.
 
-## Setup credentials
+## Set up your Credentials
 
-Go to Administration settings -> Email -> SMTP.
+Go to ``Administration settings > Email > SMTP``.
 
 Enter:
 
-- Your SMTP server's host name (e.g. `mail.example.com`)
-- The port (usually 587 for modern, secured SMTP servers)
+- Your SMTP server host name (e.g. `mail.example.com`)
+- The port (usually 587 for modern secured SMTP servers)
 - Your credentials
-- A name and email to appear in the "From" field of the emails
+- A name and email to appear in the `From` field of the emails
 
-Once filled, click "Save changes".
+Once completed, click **Save changes**.
 
 ![SMTP server configuration.](https://user-images.githubusercontent.com/20342522/53436704-a4989080-39b0-11e9-8ea6-f320affc798f.png)
 
-## Test changes
+## Test Changes
 
-Go back into the SMTP settings and click "Test SMTP settings". You should receive an email within a few minutes. If you do not, check the logs ("Administration -> View Logs") to see what went wrong. NB You might need to make sure Debug logging is on (default is to log Information only).
+Go back into the `SMTP settings` and click **Test SMTP settings**. You should receive an email within a few minutes. If you do not, check the logs (`Administration > View Logs`) to see what happened.
+
+**Note**: Make sure `Debug logging` is on; the default is to log information only.