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diff --git a/Demo/classes/README b/Demo/classes/README
index c10001f..4efd316 100644
--- a/Demo/classes/README
+++ b/Demo/classes/README
@@ -5,6 +5,7 @@
 Range.py	Example of a generator: re-implement built-in range()
 Rat.py		Rational numbers
 Vec.py		A simple vector class
+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