fix buckler spelling

arms.sty

@@ -135,7 +135,7 @@
 \newcommand{\woodaxe}{\weapon[\addtocounter{heft}{1}]{Wood Axe}{1}{2}}
 
 % SHIELDS
-\newcommand{\bucklar}{\weapon{Bucklar}{2}{-2}}
+\newcommand{\buckler}{\weapon{Buckler}{2}{-2}}
 \newcommand{\roundshield}{\weapon{Round Shield}{2}{-1}}
 \newcommand{\kiteshield}{\weapon{Kite Shield}{3}{0}}