Missing Documentation. How to show this? its not even in commands

[jobs-git]

          i've adjusted the `benchHeight` value, does this look fine to you? i want to make sure i get it right before i make the commit haha :)

Originally posted by @skrungly in https://github.com/flightlessmango/MangoHud/issues/232#issuecomment-646032863

at least a documentation will do