Update docs.  Remove old classes.doc.
diff --git a/Demo/classes/README b/Demo/classes/README
index cca7524..1d41f6a 100644
--- a/Demo/classes/README
+++ b/Demo/classes/README
@@ -10,5 +10,4 @@
 bitvec.py	A bit-vector class by Jan-Hein B\"uhrman
 
 (For straightforward examples of basic class features, such as use of
-methods and inheritance, see the library code -- especially the window
-modules are full of them.)
+methods and inheritance, see the library code.)