[doc] Fix typo in os module (pythonGH-24464)

rffontenelle · miss-islington · commit 6ac9adbd6292 · 2021-05-16T23:38:15.000Z
Automerge-Triggered-By: GH:iritkatriel (cherry picked from commit fdc7e52) Co-authored-by: Rafael Fontenelle <rffontenelle@users.noreply.github.com>
diff --git a/Doc/library/os.rst b/Doc/library/os.rst
@@ -4635,7 +4635,7 @@ operating system.
 
 .. function:: sched_setparam(pid, param)
 
-   Set a scheduling parameters for the process with PID *pid*. A *pid* of 0 means
+   Set the scheduling parameters for the process with PID *pid*. A *pid* of 0 means
    the calling process. *param* is a :class:`sched_param` instance.
 
 
