You wrongfully flagged a post that used "CC0 Creative Commons" license, which says "Free for commercial use" and "No attribution required".
Please undo your downvote and fix your bot or else, we report you to STEEMABUSE.
https://steemit.com/sevendaybnwchallenge/@iljal/seven-day-black-and-white-challenge-day4
If it says "no attribution required", you CANNOT FORCE people to write "CC0 Creative Commons" at the end of their post. Just undo your abuse, FIX your bot setting so it does not flag CC0 photos.