\begin{description}
\item[\texttt{-h, -{}-help}]: Display the help message.
...
\begin{itemize}
\item \texttt{\_leo.tcl}: Commands for Leonardo Spectrum in command line mode.
...
\end{itemize}
...
\end{description}
What I want is that the "itemized list" have the same intendation as the "desctiption list" or atleast less intendation, how do I do that?