diff --git a/samples/ribbon/ribbonbar_demo.py b/samples/ribbon/ribbonbar_demo.py
index d4feb256..ee553ddb 100644
--- a/samples/ribbon/ribbonbar_demo.py
+++ b/samples/ribbon/ribbonbar_demo.py
@@ -1,7 +1,12 @@
 #!/usr/bin/env python
 
-import os
-import sys
+"""
+This module implements a demo application that shows many of the features of
+the RibbonBar and related classes found in the wx.ribbon module.  It is very
+similar to the pure-python implementation found in the wx.lib.agw.ribbon
+package.  In fact, this demo was ported from the AGW version of the demo with
+just a few relatively minor edits.
+"""
 
 import wx
 import wx.ribbon as RB
@@ -9,7 +14,6 @@ import wx.ribbon as RB
 import images
 
 
-
 # --------------------------------------------------- #
 # Some constants for ribbon buttons
 
@@ -615,7 +619,7 @@ class RibbonFrame(wx.Frame):
             gallery.SetSelection(item)
 
             # Send an event to respond to the selection change
-            dummy = RB.RibbonGalleryEvent(RB.wxEVT_COMMAND_RIBBONGALLERY_SELECTED,
+            dummy = RB.RibbonGalleryEvent(RB.wxEVT_RIBBONGALLERY_SELECTED,
                                           gallery.GetId())
             dummy.SetEventObject(gallery)
             dummy.SetGallery(gallery)