Hmm, so the copy just got changed again, and it doesn’t work in all cases:
It does work when a date is used instead of a relative time:
It looks like we either need two translation strings, or the copy needs to be changed in a more significant way.
Edit: Looks like @eviltrout made the change here:
https://github.com/discourse/discourse/commit/70638f12918ea48c2210874d138f8572c16ce25b