SlowSlow Beam Sword ruling specifics | tcgmode

I was playing P Doffy into a RU Ace on the sim and I used this event to counter and rest his 10c Whitebeard, but his Whitebeard stayed rested during my next turn? I'm a little confused on the wording of the card, because at all my locals I've been playing where it's only rested until the end of h...