Serpent's Swiftness

From wow.incgamers.com

Talent: Serpent's Swiftness
Effect: Increases ranged combat attack speed by a % and your pet's melee attack speed by a %.
Statistics: Rank 1 = 4%, Rank 2 = 8%, Rank 3 = 12%, Rank 4 = 16%, Rank 5 = 20%.