How to update PFP / Banner on OS

How do I add banner / PFP to my Manifold minted collection? Normally you can do this in OS, but there are no options to do that for this 1155 collection for some reason

https://opensea.io/collection/scapepe-edition

Looks like you were able to set it up? Seems to show up on my end.

Yeah, OS was glitching for a few hours. ty for checking and the reply