minor rewording

Author: pwseg

src/engage/campaigns/broadcasts.md

@@ -101,7 +101,7 @@ For more on message segments, view [SMS character limits](https://www.twilio.com
 
 The total size of your email must be less than 30MB. 
 
-It is not possible to add files to email templates as attachments. You can upload files to an external storage location and include a link to them through a button or image. 
+Attachments are not supported in email templates, but you can upload files to an external storage service and include a link within the email using a button or image.
 
 To learn more, view SendGrid's [email limits](https://docs.sendgrid.com/api-reference/mail-send/limitations#:~:text=The%20total%20size%20of%20your,must%20no%20more%20than%201000.){:target="_blank"}.