Editing Communications:
There are two ways to edit any communication inside of a campaign.
You can edit any communication in a campaign by going to your Dashboard.
Clicking edit campaign.
Navigate to Campaign Communications
Click on the communication you wish to edit
Make your changes
Save
Navigate to your Calendar page.
Choose the day the communication is scheduled on
From the right-hand side click the small arrow icon on that communication (>)
Make your changes
Save