Improved Demoralizing Shout

From wow.incgamers.com

Talent: Improved Demoralizing Shout
Effect: Increases the melee attack power reduction of your Demoralizing Shout by a %.
Statistics: Rank 1 = +8%, Rank 2 = +16%, Rank 3 = +24%, Rank 4 = +32%, Rank 5 = +40%.