You can rename a campaign anytime by following these steps:
Log into your CASTANET account and open the Campaigns page.
From the list, find the campaign that you want to rename and click to open it.
At the top right of this page, click on the blue “Edit this Campaign” button.
The form that opens will have a field title “Name”. Type your campaign’s new name into this field and press the blue “Save” button at the bottom.