Yep, you read that headline correctly. 

In a quite literal nightmare before Christmas, Sri Lankan carolers attending the Joy To The World 2016 music festival at Colombo's Nelum Pokuna Theatre were in for quite a surprise when they opened their festival book.

Instead of seeing the Catholic Hail Mary prayer, the lyrics to Tupac's infamous rap by the same name were there instead—yikes!

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The program was handed out to over 1,000 people at the fundraiser carol service and a few took to social media to show the error.

No one is sure yet if it was an honest mistake or if pranksters were involved in the misprint.