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

Co-authored-by: Peter Bierma <[email protected]>

Author: anordin95

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

@@ -425,7 +425,7 @@ As usual, the event loop cycles through its queue of tasks, giving them control
 and receiving control back when they pause or finish.
 The ``watcher_task``, which runs the coroutine: ``_sleep_watcher(...)`` will be
 invoked once per full cycle of the event loop's queue.
-On each resumption, it'll check the time and if not enough has elapsed, it'll
+On each resumption, it'll check the time and if not enough has elapsed, then it'll
 pause once again and return control to the event loop.
 Eventually, enough time will have elapsed, and ``_sleep_watcher(...)`` will
 mark the future as done, and then itself finish too by breaking out of the