rephrase armour covering rule

rules/armour.tex

@@ -3,7 +3,8 @@ The more \gls{dr} the armour has, the more Damage it takes away, and the more ar
 
 \begin{itemize}
   \item
-  \Glspl{pc} armour usually covers two steps of dice, so when \glspl{pc} miss by only 1 or 2 steps, they can reduce Damage by the armour's \gls{dr}.
+  \Glspl{pc} armour usually covers two steps of dice, plus the draw.
+  So when \glspl{pc} miss by only 1 or 2 steps, they can reduce Damage by the armour's \gls{dr}.
   \item
   If they miss an attack roll by 3 or more, the armour does nothing, and they receive a \textit{Vitals Shot}.
   \item