To update a program's confirmation message, navigate to Programs on the horizontal top menu and then click Programs.
On the Programs page, click on the program whose confirmation message you would like to update.
The program editor will appear. On the first Program Basics page you can scroll down to the Confirmation Message field. You are able to make edits to the program's confirmation message inside this text box.
Once all changes are made, be sure to click the Save & Next button at the bottom of the editor.
To edit the confirmation message of multiple programs at once, select the checkboxes in the table next to each program and click the green Group Action" button that appears at the bottom of the page. Then select "Edit Programs."
In the Program editor check the box next to Confirmation Message to insert a new message and override the text for all selected programs. Note: only attributes that are checked will be overridden.
When you are finished, click the Save & Next button at the bottom of the editor. You will be prompted to confirm that you'd like to make these changes and override the programs selected.