(DOCS): Edit Edit your Email content (RocketChat#1453)

* (DOCS): Edit in Edit Email content

* Edit header

Author: paulofariadias

administrator-guides/email/editing-emails-content/README.md

@@ -1,9 +1,9 @@
-# Editing Email Content
+# Edit your Email Content
 
-Almost all the pre defined emails that are sent to users in your Rocket.Chat server can be customized.
+Almost all predefined emails sent to users in your Rocket.Chat server can be customized.
 
-To customize an email content simply select the email you want to change, and set the `Custom` option to `true`.
+To customize email content, simply select the email you want to change, and set the `Custom` option to `true`.
 
-From there you can change the subject and the body of the email. When writing the body of the email you can add _placeholders_ that will be changed for real data when the email is sent. E.g. `[Site_Name]` will be changed to your Rocket.Chat server name.
+From there you can change the subject and the body of an email. When you write the body of your email, you can add _placeholders_ that change to real data when you send it. E.g. `[Site_Name]` changes to your Rocket.Chat server name.
 
-You will have access to more _placeholders_ depending on which email you are editing. For a detailed list of available _placeholders_ check the text under the body field.
+Your access to more _placeholders_ depends on which email you are editing. For a detailed list of available _placeholders_, check the text under the `Body` field.