Mace Specialization Rogue

From wow.incgamers.com

Talent: Mace Specialization Rogue
Effect: Increases your skill with Maces and gives you a 6% chance to Stun your target for 3 sec with a mace.
Statistics: Rank 1 = +2 skill / 1% stun, Rank 2 = +4 skill / 2% stun, Rank 3 = +6 skill / 3% stun, Rank 4 = +8 skill / 4% stun, Rank 5 = +10 skill / 5% stun.