Where do I edit how my hotel appears to guests?
Front Desk Settings → Property Profile. Its own subtitle says what it is for: "Manage how your property appears across channels and your booking engine."
The page is a list of sections down the left with their current values on the right. Anything you have not filled in shows as a grey italic Not set, which makes the gaps easy to spot. Each row has an Edit button that opens a drawer.
Work down the list in order. By the time you reach the bottom, your booking site has everything it needs.