The objects of this class are never created by the application code but are
returned by \helpref{wxMimeTypesManager::GetFileTypeFromMimeType}{wxmimetypesmanagergetfiletypefrommimetype} and
\helpref{wxMimeTypesManager::GetFileTypeFromExtension}{wxmimetypesmanagergetfiletypefromextension} methods.
-But it's your responsibility to delete the returned pointer when you're done
+But it is your responsibility to delete the returned pointer when you're done
with it!
% TODO describe MIME types better than this...
usage but may be also used by the application directly if, for example, you want
to use some non default command to open the file.
-The function replaces all occurences of
+The function replaces all occurrences of
\twocolwidtha{7cm}
\begin{twocollist}\itemsep=0pt