Fix missing "," in the documentation of Executor Objects (GH-30404)

diff --git a/Doc/library/concurrent.futures.rst b/Doc/library/concurrent.futures.rst
index 0432fcdfa23e1cd2ee188581c227ae1552f781e4..959280833997e5df80ee7a02dfa342212f4fddbe 100644 (file)
--- a/Doc/library/concurrent.futures.rst
+++ b/Doc/library/concurrent.futures.rst
@@ -30,7 +30,7 @@ Executor Objects
 
     .. method:: submit(fn, /, *args, **kwargs)
 
-       Schedules the callable, *fn*, to be executed as ``fn(*args **kwargs)``
+       Schedules the callable, *fn*, to be executed as ``fn(*args, **kwargs)``
        and returns a :class:`Future` object representing the execution of the
        callable. ::