I have been waiting for the transifex translations to be updated, but following the latest commits, I think it should work fine, and it is not working properly.
If you see this line 236
You will see the bookmark instructions by discobot to teach a user how to bookmark some message.
The same instruction on spanish version are at line: 206
But, tested now on try.discourse.org and I saw:
Ps. The interface discobot was set on “es” language selection.