[doc] Fix typo in asyncio Event Loop (GH-27377)

First Pull Request to cpython, so forgive me for any mistakes

Automerge-Triggered-By: GH:Mariatta
(cherry picked from commit 6fa4060)

Co-authored-by: Vinicius Gubiani Ferreira <vini.g.fer@gmail.com>

Author: miss-islington

Doc/library/asyncio-eventloop.rst

@@ -55,7 +55,7 @@ an event loop:
 
    .. deprecated:: 3.10
       Deprecation warning is emitted if there is no running event loop.
-      If future Python releases this function will be an alias of
+      In future Python releases, this function will be an alias of
       :func:`get_running_loop`.
 
 .. function:: set_event_loop(loop)