diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index 81a052b..9eb1389 100644
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -1401,9 +1401,9 @@
 ...     "Return function(0), function(1), ..."
 ...     return imap(function, count(start))
 
->>> def nth(iterable, n):
-...     "Returns the nth item or None"
-...     return next(islice(iterable, n, None), None)
+>>> def nth(iterable, n, default=None):
+...     "Returns the nth item or a default value"
+...     return next(islice(iterable, n, None), default)
 
 >>> def quantify(iterable, pred=bool):
 ...     "Count how many times the predicate is true"