Nerve & vital help files (minor)

- Both nerve & vital lack '' in the help file syntax: NERVE (508) Syntax: nerve A skilled assassin is knowledgeable in accupressure techniques and can weaken a victim with various strikes to vulnerable areas. Shoulder strikes sap the strength of the victim. Forearm and knee strikes sap dexterity. Blows to the kidneys sap constitution. Creatures with alien or paranormal biologies may be impossible for an assassin to utilize a nerve strike against. 'VITAL AREA' VITAL (671) syntax: vital Similar to the assassin's nerve ability, this ability aims to weaken an opponent with strikes to vital areas.