Otherwordly Glamour doesn't seem to respect the "minimum +1" part

See subject.

It's probably never relevant in practice, because I can't see anyone creating a Fey Wanderer with 10 WIS, but it came up while I was playing with the character creator (and I'll fill in ability scores at a later point, either point buy or rolled - TBD). Setting all ability scores to 10 and therefore giving me a +0 in WIS shows up as (and rolls as) a +2 for CHA skills I have proficiency in. As far as I can read the "Otherwordly Glamour" feat, this should be a +3: +2 for proficiency bonus, +1 for the Otherwordly Glamour feat (add WIS bonus, minimum +1).

The calculation DOES seem to be correct as soon as WIS is > 0, so I assume this is literally just a tiny oversight and no big deal. Just stumbled across it and wanted to point it out.

It's worth pointing out that, as written, it should actually apply to all Charisma checks, not just ones you have proficiency in. In that example you should be getting +3 on Charisma skills you have proficiency in, and +1 on those you don't.