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

Doc/library/functions.rst

diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index f0f3747..8797485 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -1444,8 +1444,9 @@
    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.