bpo-35042: Use the :pep: role where a PEP is specified (#10036)
diff --git a/Doc/library/wsgiref.rst b/Doc/library/wsgiref.rst
index e0f745f..ffca1fc 100644
--- a/Doc/library/wsgiref.rst
+++ b/Doc/library/wsgiref.rst
@@ -739,7 +739,7 @@
.. function:: read_environ()
- Transcode CGI variables from ``os.environ`` to PEP 3333 "bytes in unicode"
+ Transcode CGI variables from ``os.environ`` to :pep:`3333` "bytes in unicode"
strings, returning a new dictionary. This function is used by
:class:`CGIHandler` and :class:`IISCGIHandler` in place of directly using
``os.environ``, which is not necessarily WSGI-compliant on all platforms