You know how it is... you're an internationally successful EDM duo who have just released your first album - you don't have time for things like spell-checking.
Unfortunately for The Chainsmokers, they - or whoever in their crew was responsible for the LED backdrop at their Pittsburgh, Pennsylvania gig the other night - were the subject of ridicule thanks to their mispelling of the city.
Lads, if you're going to play somewhere and then have it emblazoned behind you in foot-high lights, maybe an oul' double-check is in order.
The residents of Pittsburgh let 'em have it on Twitter - but rumours that they chipped in to a crowdfunding campaign to send them off to the Derek Zoolander School for Kids Who Can't Read Good and Want to Do Other Stuff Good Too are as yet unfounded.
To give them credit, they did own their mistake:
Well at least we got another chance this week in Clevlande https://t.co/YDUPkwUifc
— THE CHAINSMOKERS (@TheChainsmokers) April 24, 2017