PEP 495: Corrected the description of an interzone arithmetic paradox.

pep-0495.txt

@@ -433,7 +433,7 @@ depend on the values of ``t.fold`` and ``s.fold`` when either
 ``t.tzinfo`` or ``s.tzinfo`` is post-PEP. [#]_
 
 .. [#] Note that the new rules may result in a paradoxical situation
-  when ``s == t`` but ``s - t != timedelta(0)``.  Such paradoxes are
+  when ``s == t`` but ``s - u != t - u``.  Such paradoxes are
   not really new and are inherent in the overloading of the minus
   operator as two different intra- and inter-zone operations.  For
   example, one can easily construct datetime instances ``t`` and ``s``