diff --git a/Doc/library/json.rst b/Doc/library/json.rst
index 69d4c10..22925f5 100644
--- a/Doc/library/json.rst
+++ b/Doc/library/json.rst
@@ -151,7 +151,7 @@
    *default(obj)* is a function that should return a serializable version of
    *obj* or raise :exc:`TypeError`.  The default simply raises :exc:`TypeError`.
 
-   To use a custom :class:`JSONEncoder`` subclass (e.g. one that overrides the
+   To use a custom :class:`JSONEncoder` subclass (e.g. one that overrides the
    :meth:`default` method to serialize additional types), specify it with the
    *cls* kwarg.