Make the word "Module" in the section header start with an upper-case "M".

Doc/lib/libdis.tex

-\section{Standard module \sectcode{dis}}	% If implemented in Python
+\section{Standard Module \sectcode{dis}}
 \stmodindex{dis}
 
 \label{module-dis}

Doc/libdis.tex

-\section{Standard module \sectcode{dis}}	% If implemented in Python
+\section{Standard Module \sectcode{dis}}
 \stmodindex{dis}
 
 \label{module-dis}