what cells are selected => print in msgbox

[stt_d31]

I have an event on my worksheet: worksheet_SelectionChange.
now i want to popup a msgbox that displays what is selected.
for example i select A1:B1
then the msgbox has to display this string: "A1:B1"

Private Sub worksheet_SelectionChange(ByVal Target As Range)

    'msgbox ?????

End Sub

[Ecniv]

msgbox selection.address