custom thank you message
If you want a custom Thank You message other than the default, edit the page’s HTML settings.
To do that,
Open the form that you want to edit.
Click the Settings tab.
Under Thank You Page, tick the Use Custom "Thank You" Page check box.
Click Edit
Change the text inside <h1>.....</h1> and <p> …… </p>
Click Save Custom Thank You Page.
Click Save Changes
How to make custom thank you message in ss.webm