adjust running through dark caverns

systems.tex

@@ -305,7 +305,7 @@ A tie indicates that the navigator knows to remain for a day, and make further o
 
 \makeRule{run_in_dark}{Running in the Dark}{Wits}{Caving}{12}
 \index{Spelunking!Running in the dark}%
-A torch adds a +3 Bonus.
+A bright torch adds a +3 Bonus.
 A tie means the character comes to a sudden halt, without Damage.
 Failure means $1D6$ Damage, plus the character's Speed (running faster means more Damage).
 \index{Darkness!Running}