fix mighty draw description

knacks.tex

@@ -98,7 +98,7 @@ The character also gains a number of \gls{mp} equal to the number of Knacks they
 \subsubsection{Mighty Draw}
 
 You can draw back a hunting bow in a single \gls{round}, paying only 8 Initiative for the action, minus half the number of Knacks you have (rounded up, minimum of 2).
-For example, someone with 4 Knacks would pay only 4 Initiative for the attack.
+For example, someone with 3 Knacks would pay only 6 Initiative for the attack.
 
 \subsubsection{Perfect Sneak Attack}