ADD THIS BEFORE \begin{document}

% add changemargin environments
\newenvironment{changemargin}[2]{%
\begin{list}{}{%
	\setlength{\topsep}{0pt}%
	\setlength{\leftmargin}{#1}%
	\setlength{\rightmargin}{#2}%
	\setlength{\listparindent}{\parindent}%
	%\setlength{\itemindent}{\parindent}%
	\setlength{\parsep}{\parskip}%
}%
\item[]}
{\end{list}}






ADD THIS WHERE YOU WANTED YOUR DESCRIPTION

\begin{changemargin}{100pt}{0pt}
	\begin{description}
		\item[myDesc] test
		\item[myDesc2] test2
	\end{description}
\end{changemargin}