diff --git a/Demo/classes/README b/Demo/classes/README
index 4efd316..f821f78 100644
--- a/Demo/classes/README
+++ b/Demo/classes/README
@@ -1,9 +1,11 @@
 Examples of classes that implement special operators (see class.doc):
 
 Complex.py	Complex numbers
+Dates.py	Date manipulation package by Tim Peters
 Dbm.py		Wrapper around built-in dbm, supporting	arbitrary values
 Range.py	Example of a generator: re-implement built-in range()
 Rat.py		Rational numbers
+Rev.py		Yield the reverse of a sequence
 Vec.py		A simple vector class
 bitvec.py	A bit-vector class by Jan-Hein B\"uhrman