You'll see the Review Your Ad Group page as you go through the process of creating a campaign. Use this page to review the choices you've made and make changes, if necessary. You can also add another ad group to this campaign.
To make changes to an ad group:
Do either of the following:
To change an ad group, click the value in the field or column.
To delete an ad group, click the checkbox in front of the ad group name and click the Delete button.
(Optional) To add another ad group to the campaign, click the Create Another Ad Group button.
When you're satisfied with the ad groups, click the Budget and Schedule Campaign button.