Campaigns can be edited at any time.
To update an active campaign, select the campaign that you would like to edit. You can find this list by clicking "Manage my Campaigns" under the Job Distribution module on the front page, or using the "Job Distribution" tab on the left-hand nav guide and clicking "Campaigns"
Hover over the campaign you would like to edit and click the gear icon
Then, follow step 2 from the step-by-step campaign setup to edit the campaign.
Click the button to save your changes.