How Do I Edit The Thank You Page?
The Thank You page is just a basic page that has been pre-populated with a text/media element.
Just click on the edit (pencil) icon to the right of the element to edit the message. Click on the pencil icon above the page to edit the Page Title.
Review the SurveyGizmo documentation for details – https://help.surveygizmo.com/help/article/link/thank-you-page