Update URL.
diff --git a/README b/README
index f1c3a89..07a38a0 100644
--- a/README
+++ b/README
@@ -68,7 +68,7 @@
 as a list of other introductions, and reference documentation.
 
 There's a quickly growing set of books on Python.  See
-www.python.org/moin/PythonBooks for a list.
+http://wiki.python.org/moin/PythonBooks for a list.
 
 
 Documentation