-        wxDialog.__init__(self, parent, -1, 'About the wxPython demo',)
-        html = wxHtmlWindow(self, -1, size=(420, -1))
-        py_version = string.split(sys.version)[0]
-        html.SetPage(self.text % (wx.__version__, py_version))
+        wx.Dialog.__init__(self, parent, -1, 'About the wxPython demo',)
+        html = wx.html.HtmlWindow(self, -1, size=(420, -1))
+        if "gtk2" in wx.PlatformInfo:
+            html.SetStandardFonts()
+        py_version = sys.version.split()[0]
+        html.SetPage(self.text % (wx.VERSION_STRING,
+                                  ", ".join(wx.PlatformInfo[1:]),
+                                  py_version
+                                  ))
+        btn = html.FindWindowById(wx.ID_OK)