Spoilers Yellow
Yes, it was a dusked aircraft replacing the scheduled narrow body aircraft. Pretty nice as it happened, as I'd been up since 0230 UK time and managed to have 45 mins cat napping on a flat bed
I believe that I also saw the same error a few weeks ago, coming back from DXB on a 777, so perhaps there is an IFE database error. I was getting my kids ready for landing so, did not pay much attention, but had a lingering feeling driving home that somethingn was odd.