\begin{twocollist}
\twocolitem{{\bf wxOPEN}}{This is an open dialog.}
\twocolitem{{\bf wxSAVE}}{This is a save dialog.}
-\twocolitem{{\bf wxHIDE\_READONLY}}{Hide read-only files.}
+\twocolitem{{\bf wxHIDE\_READONLY}}{For open dialog only: hide the checkbox allowing to open the file in read-only mode.}
\twocolitem{{\bf wxOVERWRITE\_PROMPT}}{For save dialog only: prompt for a confirmation if a file will be overwritten.}
\twocolitem{{\bf wxMULTIPLE}}{For open dialog only: allows selecting multiple files.}
-\twocolitem{{\bf wxCHANGE\_DIR}}{Change the current working directory to the
-directory where the file(s) chosen by the user are.}
+\twocolitem{{\bf wxCHANGE\_DIR}}{Change the current working directory to the directory where the file(s) chosen by the user are.}
\end{twocollist}%
}