Be patient, email Support, or delete the change and update it again. How do I lock a topic?
The site itself is experiencing problems displaying new content--but don't be afraid, your story hasn't disappeared. It also equates with the T rating on video games. It's a site glitch that pops up every now and then.
If you still think they're wrong, you are free to ignore their comment--they can't force you to do what they want you to do. Note: You can't edit any post other than your own unless you're the admin or a moderator.
It may sound miniscule but it bothers me.