There appears to be some writing on the note ...

As you wander throughout this middle-earth, you'll be prompted to interact with characters and to look closely at objects, organisms, and phenomena in the environment. BE MINDFUL OF WHAT YOU SEE... once you've traversed through this landscape, you'll be asked to think about what you've observed in order to engage in discussion with your classmates, to solve some riddles, and to compose some poetry of your own!