gh-81762: Clarify and simplify description of print's flush param (GH-103264)

(cherry picked from commit c396b6d)

Co-authored-by: C.A.M. Gerlach <[email protected]>

Author: miss-islington

Doc/library/functions.rst

@@ -1443,8 +1443,9 @@ are always available.  They are listed here in alphabetical order.
    arguments are converted to text strings, :func:`print` cannot be used with
    binary mode file objects.  For these, use ``file.write(...)`` instead.
 
-   Whether the output is buffered is usually determined by *file*, but if the
-   *flush* keyword argument is true, the stream is forcibly flushed.
+   Output buffering is usually determined by *file*.
+   However, if *flush* is true, the stream is forcibly flushed.
+
 
    .. versionchanged:: 3.3
       Added the *flush* keyword argument.