When on https://discourse.example.com/g/team/manage/interaction and selecting the level notification the top level - did not edit the text in customisation. Should be pretty easy to fix.
「いいね！」 1
Confirmed this is indeed some sort of missing translation.
@techAPJ can you sort this out?
「いいね！」 3
Fixed via:
https://github.com/discourse/discourse/commit/0cb4109cbbad248c494583707f96051004f00a58
Thanks for bringing this in our notice @anon89147131 
「いいね！」 3