diff --git a/wxPython/demo/IEHtmlWin.py b/wxPython/demo/IEHtmlWin.py
index 874580dd2b..56e4c57935 100644
--- a/wxPython/demo/IEHtmlWin.py
+++ b/wxPython/demo/IEHtmlWin.py
@@ -187,7 +187,7 @@ def runTest(frame, nb, log):
         win = TestPanel(nb, log, frame)
         return win
     else:
-        dlg = wx.MessageDialog(frame, 'This demo only works on MSW.',
+        dlg = wx.MessageDialog(frame, 'This demo only works on Windows.',
                           'Sorry', wx.OK | wx.ICON_INFORMATION)
         dlg.ShowModal()
         dlg.Destroy()