Fixed the documentation of parse_constant argument in json.load().
parse_constant doesn't get called on 'null', 'true', 'false' since 3.1/2.7.
diff --git a/Doc/library/json.rst b/Doc/library/json.rst
index 9e3e05e..70defa2 100644
--- a/Doc/library/json.rst
+++ b/Doc/library/json.rst
@@ -344,8 +344,8 @@
(e.g. :class:`float`).
*parse_constant*, if specified, will be called with one of the following
- strings: ``'-Infinity'``, ``'Infinity'``, ``'NaN'``, ``'null'``, ``'true'``,
- ``'false'``. This can be used to raise an exception if invalid JSON numbers
+ strings: ``'-Infinity'``, ``'Infinity'``, ``'NaN'``.
+ This can be used to raise an exception if invalid JSON numbers
are encountered.
If *strict* is false (``True`` is the default), then control characters