Update README.md

Author: brandonmwest

README.md

@@ -86,12 +86,9 @@ var credentials = new NetworkCredential("username", "password");
 var transportWeb = new Web(credentials);
 
 // Send the email.
-transportWeb.Deliver(myMessage);
+transportWeb.DeliverAsync(myMessage);
 ```
 
-You can also use the **DeliverAsync** method, which returns an awaitable
-task.
-
 #How to: Add an Attachment
 
 Attachments can be added to a message by calling the **AddAttachment** method and specifying the name and path of the file you want to attach, or by passing a stream. You can include multiple attachments by calling this method once for each file you wish to attach. The following example demonstrates adding an attachment to a message: