A tip for the Muse team: based on my experience with first-person 3D, a substantial portion of users don't understand pointerlock, and the built-in notification

A tip for the Muse team: based on my experience with first-person 3D, a substantial portion of users don't understand pointerlock, and the built-in notification that browsers give usually are insufficient. It might be a good idea to put a persistent indicator that ESC can be used to get out of pointerlock.