Please Click Here for the Version 2 help topic.
In order to change your goal messaging, you will need to go to the Settings page by clicking on the Settings tab in the Admin panel.
Once there, you will need to select one of the goal options located on the left side of the page.
Once one of the goal options is selected it will shows the details of the goal available for you to change. Upon making your changes, click the green SAVE SETTINGS button at the bottom of the page to complete your changes.