From your Dashboard, click the "ViewMedica On-Demand Appearance" link.
Scroll down to the “Video Load Screen & Brochures” section.
Click on the “Edit” button in the “Display URL” area. This opens the edit screen.
Type in the URL you want in the input field.
Click the “Save” button when you are happy with the text.
The load screen preview on the appearance page now shows you what your new URL looks like in action.