This feature is available only after setting up your custom access URL

A password protected homepage has a default message in your chosen language. The message can be replaced by you. The default demo is an unbranded demonstration of online ordering process and can also be replaced by you, if needed.

The text and the presentation can be replaced with your own text and your own version of the presentation.
This can be done on Branding page of your printer’s account:

Example of a custom greeting message