Fix typo in the alternate way to spell A<B<C, found by

geepokey@yahoo.com (Gumby).

pep-0207.txt

@@ -124,7 +124,7 @@ Proposed Resolutions
       raises an exception.  David Ascher's proposal tries to deal
       with this; I don't think this is worth the additional complexity
       in the code generator.  Instead of A<B<C, you can write
-      (A<B)&(C<D).
+      (A<B)&(B<C).
 
     6 The min() and list.sort() operations will only use the
       < operator; max() will only use the > operator.  The 'in' and