Orthographical fix (GH-13418)


Add a missing comma.
(cherry picked from commit 1d5bdef550d4395211fbe5f3c1444d7ea5bb54a2)

Co-authored-by: BoĊĦtjan Mejak <bostjan.xperia@gmail.com>
diff --git a/Doc/library/asyncio-task.rst b/Doc/library/asyncio-task.rst
index 9e685b1..29ccafe 100644
--- a/Doc/library/asyncio-task.rst
+++ b/Doc/library/asyncio-task.rst
@@ -40,7 +40,7 @@
     >>> 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.)