Fix var name.
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 52ce6c6..4fbb5e5 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -671,7 +671,7 @@
.. function:: next(iterator[, default])
- Retrieve the next item from the *iterable* by calling its :meth:`__next__`
+ Retrieve the next item from the *iterator* by calling its :meth:`__next__`
method. If *default* is given, it is returned if the iterator is exhausted,
otherwise :exc:`StopIteration` is raised.