You are trained in using your agility in melee combat, as opposed to brute strength.

<php>echo “<b>Benefit:</b>”;</php> With a light weapon, or a weapon with the finesse property (such as a rapier, whip, or spiked chain), you may use your Dexterity modifier instead of your Strength modifier on attack rolls. If you carry a shield, its armor check penalty applies to your attack rolls.
<php>echo “<b>Special:</b>”;</php> Natural weapons are considered light weapons.