Improved Stings

From wow.incgamers.com

Talent: Improved Stings
Effect: Increases the damage done by your Serpent Sting and Wyvern Sting by a % and the mana drained by your Viper Sting by a %. In addition, reduces the chance your Stings will be dispelled by a %.
Statistics: Rank 1 = 6%, Rank 2 = 12%, Rank 3 = 18%, Rank 4 = 24%, Rank 5 = 30%.