When ur sunburn icthes does it me that it's going to peel?

Likely. Peeling of the skin over a sunburn usually follows the itching phase.
Usually. But lots of other things can make you itch.
SUNBURN ITCHES. SUNBURN CAN OFTEN ITCH DURING THE HEALING STAGES. THE CHANCES ARE THAT IT WILL BEGIN TO PEEL IN A FEW DAYS.