My browser / operating system: Windows NT 10.0, Firefox 64.0, Flash 27.0 (release 0)

I can't save what I wrote in the “Notes & Credits” section but I can save the “Instructions” one.
I noticed that the box is still in orange even if I click outside of it.

(sry if my english is bad.)

That happened to me once my description reached a certain length. I deleted part of it and it was okay, but I wasn’t even that long in the first place.