Weapon Focus (aptitude 2)

Type of Feat: General
Prerequisite: Proficiency with the chosen weapon type, base attack bonus +1 or higher.
Required for: Weapon Specialization (fighter only).
Specifics: A character with this feat is particularly skilled with a specific weapon, gaining a +1 attack bonus with it.
Use: Automatic. This feat may be selected multiple times, but the effects do not stack. It applies to a new weapon in each case.
Special: Halflings and gnomes are Small creatures and as such they can never use the following large weapons: dire mace, double-bladed sword, double axe, greataxe, greatsword, halberd, heavy flail, and scythe.