Only the top center
Step 1 / 1
U: Two layers around the top corner: turns clockwise (looking at the top corner)
Both bottom centers are right; only the top center is off.
U turns the top center a third of a turn to match the bottom centers on all three faces. The V and both bottom centers do not move.
Step 1 of 1: U. Two layers around the top corner: turns clockwise (looking at the top corner)