diff --git a/Doc/library/json.rst b/Doc/library/json.rst
index e7f4f9eede6..bcb4ce5fe4e 100644
--- a/Doc/library/json.rst
+++ b/Doc/library/json.rst
@@ -12,8 +12,7 @@
 --------------
 
 `JSON (JavaScript Object Notation) <http://json.org>`_, specified by
-`STD 90 <https://tools.ietf.org/html/std90>`_ or :rfc:`8259` (which obsoletes :rfc:`4627`
-and :rfc:`7159`) and by
+:rfc:`8259` (which obsoletes :rfc:`4627` and :rfc:`7159`) and by
 `ECMA-404 <http://www.ecma-international.org/publications/standards/Ecma-404.htm>`_,
 is a lightweight data interchange format inspired by
 `JavaScript <https://en.wikipedia.org/wiki/JavaScript>`_ object literal syntax
@@ -754,4 +753,3 @@ Command line options
 
    Show the help message.
 
-