PEP 557: Deindent some bullet list items (#481)

Thanks.

pep-0557.rst

@@ -322,8 +322,8 @@ object directly.  Its documented attributes are:
 - ``type``: The type of the field.
 
 - ``default``, ``default_factory``, ``init``, ``repr``, ``hash``,
-   ``compare``, and ``metadata`` have the identical meaning as they do
-   in the ``field()`` declaration.
+  ``compare``, and ``metadata`` have the identical meaning as they do
+  in the ``field()`` declaration.
 
 Other attributes may exist, but they are private.
 
@@ -636,8 +636,8 @@ workarounds:
 - Manually add ``__slots__`` in the class definition.
 
 - Write a function (which could be used as a decorator) that
-    inspects the class using ``fields()`` and creates a new class with
-    ``__slots__`` set.
+  inspects the class using ``fields()`` and creates a new class with
+  ``__slots__`` set.
 
 For more discussion, see [#]_.