I just noticed (for reasons you could guess, hint) that there is an edit link in the help center where I did not expect one to be.
There is no content to see, so let's create some.
Here's the page: https://chemistry.stackexchange.com/help
Here's a screen grab (from mobile - I know - lame) where you can see the link (for me, as I'm currently a moderator on this site l:
I have looked at other pages and seen this space empty in many. There's not much to draw from then.
I think it should be reasonably short.