I just got an email from Stack Exchange, telling me that the grace period on my bounty had started:
Your bounty on the question …
… ended and will be auto-closed after the 24-hour grace period expires.
Thanks for putting a bounty on your question. It looks like there are still no answers yet. You should consider improving your question to attract more answers. Could you: (...)
However, it's not my question. It's someone else's question which I put a bounty on.
I know this is minor, but maybe the logic should be fixed, so that the text in these emails is correct, even if the bounty is on someone else's question, and not on my own one.