style nits

Author: anordin95

Doc/howto/a-conceptual-overview-of-asyncio.rst

@@ -221,9 +221,10 @@ coroutine ``plant_a_tree()``.
 As seen above, that coroutine creates a task, then awaits it.
 The ``await dig_the_hole_task`` instruction adds a callback, which will resume
 ``plant_a_tree()``, to the ``dig_the_hole_task`` object's list of callbacks.
-Eventually, the event loop will pass control to the ``dig_the_hole_task``
+And then, the instruction cedes control to the event loop.
+Some time later, the event loop will pass control to the ``dig_the_hole_task``
 and the task will finish whatever it needs to do.
-Once the task finishes, it will add the various callbacks to the event loop,
+Once the task finishes, it will add its various callbacks to the event loop,
 in this case, a call to resume ``plant_a_tree()``.
 
 Generally speaking, when the awaited task finishes (``dig_the_hole_task``),