Text (ET): 1/1. ; Whenever a permanent you control becomes untapped, ~this~ gets +1/+1 until end of turn.
This does trigger during on untapping during the untap step once for each permanent that untaps. The triggered abilities go on the stack at the beginning of the upkeep step along with any "beginning of upkeep" triggered abilities. You choose the ordering. [Eventide FAQ 2008/07/08]
