assuming that the typo didn't lead to an invalid/unregistered key, you will see the recipient's bank, full name and masked CPF number in the confirmation screen.
I really dislike the lack of a more anonymous way to transfer money but given how prevalent scams are here I feel like there was no better option.
Also, before PIX bank transfers required a person's full name, full CPF number, full account and branch numbers so arguably PIX is helping to improve privacy a little bit.
However the big issue is when people register their phone numbers as PIX keys because it means strangers can easily get full names from phone numbers.