Login to Formfacade. Click on the form to open it. Edit page will be displayed. In the Formfacade Edit page, click on the profile name in the top right corner. Click Change theme. Theme settings will be displayed in the Preview page. Click Page. Enter the required text in the Title (header), Footer option (replaces "This site belongs to...") and click Save. Please try this and confirm.

Thank you very much. I managed to change the name of my account and other settings by following your guideline.