\twocolwidtha{5cm}
\begin{twocollist}\itemsep=0pt
-\twocolitem{\windowstyle{wxSP\_ARROW\_KEYS}}{The user can use arrow keys.}
+\twocolitem{\windowstyle{wxSP\_ARROW\_KEYS}}{The user can use arrow keys to change the value.}
\twocolitem{\windowstyle{wxSP\_WRAP}}{The value wraps at the minimum and maximum.}
\end{twocollist}