Merge pull request #149 from nwanduka/patch-4

Email notification for comments

content/en/meshmap/designer/comments/_index.md

@@ -60,6 +60,10 @@ After resolving a comment thread, you can access the comment history to review p
 
 ![Conversation inside comments in designer](./comments-conversation.gif)
 
+### Enable Email Notifications
+
+Customize your [notification preferences](https://docs.layer5.io/cloud/identity/users/notification-preferences) to receive emails for comments on your design. When this is enabled, you'll be notified when comments are made on your design, you're mentioned in a comment, or someone adds a comment to a thread you've previously engaged with.
+
 ## Best Practices for Effective Design Reviews
 
 ### Be specific and actionable