Orthographical fix (GH-13418)

PedanticHacker · miss-islington · commit 1d5bdef550d4 · 2019-05-19T02:01:36.000-07:00
Add a missing comma.
diff --git a/Doc/library/asyncio-task.rst b/Doc/library/asyncio-task.rst
@@ -40,7 +40,7 @@ be executed::
     >>> main()
     <coroutine object main at 0x1053bb7c8>
 
-To actually run a coroutine asyncio provides three main mechanisms:
+To actually run a coroutine, asyncio provides three main mechanisms:
 
 * The :func:`asyncio.run` function to run the top-level
   entry point "main()" function (see the above example.)
