Mirror servers lista, correct a translation
Solution 1:
This looks suspicious:
https://salsa.debian.org/iso-codes-team/iso-codes/-/blob/main/iso_3166-1/oc.po#L1625
So I'd suggest that you change it via a merge request to Debian's iso-codes repo.
Edit:
Better to do it via Weblate:
https://hosted.weblate.org/projects/iso-codes/iso-3166-1/oc/