I addressed this issue by rewriting the manpage to make it more up-to-date and reflect the features of the current version of onionshare.
See https://salsa.debian.org/pkg-privacy-team/onionshare/-/compare/a97caf90bf600175591c22d5695a62b69d9c8725...6e950f3ad7201836e8dab6080990f94b9384b9d9 for details.
