@@ -146,8 +146,8 @@ There are 5 different cases for a mixed-type operation on subclasses
 of :class:`Complex`. I'll refer to all of the above code that doesn't
 refer to ``MyIntegral`` and ``OtherTypeIKnowAbout`` as "boilerplate".
 
-Let ``a`` be an instance of ``A`` and ``b`` be an instance of ``B``,
-where both ``A`` and ``B`` are subtypes of :class:`Complex`.
+In this description, ``a`` is an instance of ``A`` and ``b`` is an
+instance of ``B``, where ``A`` and ``B`` are both subtypes of :class:`Complex`.
 I'll consider ``a + b``:
 
 1. If ``A`` defines an :meth:`~object.__add__` which accepts ``b``, all is