Editing Armor Proficiency (General, Ranked)

'''Armor Proficiency''' (General, Ranked) 
You are trained in the use of armor. 

'''Benefits''':You are proficient with the use of armor that you meet the prerequisites for. You do not suffer the -4 penalty to attack rolls and defense while wearing that armor. 

'''Note''': Each armor type is assigned a prerequisite that is required before it can be used effectively. For example, a Chain Shirt has Prerequisite: Armor Proficiency 2. You have to have 2 ranks in Armor Proficiency before you can use it without penalty.