|d20 Modern System Reference Document|
Here is the format for feat descriptions.
Feat Name: The name of the feat.
Prerequisite: A minimum ability score, another feat or feats, a minimum base attack bonus, and/or the minimum ranks in a skill that a character must have to acquire this feat. This entry is absent if a feat has no prerequisite.
A character can gain a feat at the same level at which he or she gains all the prerequisites.
A character can't use a feat if the character has lost a prerequisite.
Benefit: What the feat enables a character to do.
Normal: What a character who does not have this feat is limited to or restricted from doing. If there is no particular drawback to not possessing the feat, this entry is absent.
Special: Additional facts about the feat.