You followed a link on oculus.com that redirects to another website:
https://docs.unrealengine.com/latest/INT/Videos/PLZlv_N0_O1gY7G589Z3I5-Dz7AdFSIWaG/6ALnsdQnkVQ/We're just checking that you want to follow this link — you can now continue to that website or go back to the home page.