diff --git a/Doc/library/json.rst b/Doc/library/json.rst
index c1a52a79ea7..858a59e3c5b 100644
--- a/Doc/library/json.rst
+++ b/Doc/library/json.rst
@@ -332,8 +332,8 @@ Encoders and Decoders
    (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
diff --git a/Lib/json/__init__.py b/Lib/json/__init__.py
index f72b0581233..1118b0eb990 100644
--- a/Lib/json/__init__.py
+++ b/Lib/json/__init__.py
@@ -297,7 +297,7 @@ def loads(s, encoding=None, cls=None, object_hook=None, parse_float=None,
     for JSON integers (e.g. float).
 
     ``parse_constant``, if specified, will be called with one of the
-    following strings: -Infinity, Infinity, NaN, null, true, false.
+    following strings: -Infinity, Infinity, NaN.
     This can be used to raise an exception if invalid JSON numbers
     are encountered.