Mark 13:14

But when you see the abomination of desolation standing where he ought not to be ( let the reader understand ), then let those who are in Judea flee to the mountains .

“When you see ‘the abomination that causes desolation` standing where it does not belong—let the reader understand—then let those who are in Judea flee to the mountains.

But when ye shall see the abomination of desolation, spoken of by Daniel the prophet, standing where it ought not, ( let him that readeth understand,) then let them that be in Judæa flee to the mountains :