Issue 6685: 'toupper' -> 'upper' in cgi doc example explanation.
diff --git a/Doc/library/cgi.rst b/Doc/library/cgi.rst
index 138f808..efee711 100644
--- a/Doc/library/cgi.rst
+++ b/Doc/library/cgi.rst
@@ -213,7 +213,7 @@
provide valid input to your scripts. For example, if a curious user appends
another ``user=foo`` pair to the query string, then the script would crash,
because in this situation the ``getvalue("user")`` method call returns a list
-instead of a string. Calling the :meth:`toupper` method on a list is not valid
+instead of a string. Calling the :meth:`~str.upper` method on a list is not valid
(since lists do not have a method of this name) and results in an
:exc:`AttributeError` exception.