A few editorial fixes.

Author: ZeroIntensity

peps/pep-9999.rst

@@ -188,7 +188,8 @@ All subgenerator delegation semantics are retained.
 
 1. :meth:`~object.__aiter__` is called to retrieve the asynchronous
    generator iterator.
-2. :meth:`~agen.asend` is called to advance the asynchronous generator.
+2. :meth:`~agen.asend` is called to advance the asynchronous generato
+   iterator.
 
 ``async yield from`` is only allowed in an asynchronous generator function;
 using it elsewhere will raise a :exc:`SyntaxError`.
@@ -203,7 +204,7 @@ In an asynchronous generator, ``async yield from`` is conceptually equivalent to
 ``async yield from`` retains all the subgenerator delegation behavior present
 in standard ``yield from`` expressions. This behavior is outlined in :pep:`380`
 and :ref:`the documentation <yieldexpr>`. In short, values passed with
-:meth:`~generator.send` and exceptions supplied with :meth:`~generator.throw`
+:meth:`~agen.asend` and exceptions supplied with :meth:`~agen.athrow`
 are also passed to the target generator.
 
 
@@ -288,11 +289,12 @@ intends to be very intuitive; users should be able to deduce the behavior of
 ``yield from`` in an asynchronous generator based on their own background
 knowledge of ``yield from`` in synchronous generators.
 
+
 Potential footguns
 ------------------
 
-Forgetting to ``await`` before ``yield from``
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Forgetting to ``await`` a future
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 In :mod:`asyncio`, a :ref:`future <asyncio-future-obj>` object is natively
 iterable. This means that if one were trying to iterate over the result of a
@@ -340,9 +342,7 @@ Acknowledgements
 ================
 
 Thanks to Bartosz Sławecki for aiding in the development of the reference
-implementation of this PEP.
-
-In the reference implementation of this proposal, the :exc:`StopAsyncIteration`
+implementation of this PEP. In addition, the :exc:`StopAsyncIteration`
 changes in addition to the support for non-``None`` return values inside
 asynchronous generators were largely based on Alex Dixon's design from
 `python/cpython#125401 <https://github.com/python/cpython/pull/125401>`_