diff --git a/wx/lib/buttons.py b/wx/lib/buttons.py
index 3bc6e7d6..a5302dbd 100644
--- a/wx/lib/buttons.py
+++ b/wx/lib/buttons.py
@@ -1072,6 +1072,7 @@ class GenBitmapTextToggleButton(__ToggleMixin, GenBitmapTextButton):
     pass
 
 class GenShowHideToggleButton(GenToggleButton):
+    """ A generic toggle bitmap button with an associated wx.Window object to show/hide on toggle. """
     def __init__(self, *args, menu, **kwargs):
         GenToggleButton.__init__(self, *args, **kwargs)
         self.SetMenu(menu)