Typo in the wiki
https://framagit.org/framasoft/framadate/framadate/-/wikis/translating reports:
We recommend to not change files directly !
If you have changes to make, or adding a new language, head over to https://trad.framasoft.orgproject/view/framadate (all is explained on the homepage).
with a wrong URL, which is https://trad.framasoft.orgproject/view/framadate instead of https://trad.framasoft.org/project/view/framadate (note the slash between org and project.