clarify ap on cs

CS/CS.tex

@@ -109,7 +109,7 @@ circle label/.style = {
     \begin{tabularx}{\linewidth}{p{.3\textwidth}XXXX}
       \hiderowcolors
       \setlength{\parskip}{3mm}
-      Weapon & Bonus & Damage & AP & Weight \\
+      Weapon & Bonus & Damage & AP Cost & Weight \\
       
     \end{tabularx}