Update Doc/library/pathlib.rst

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

Author: kovan

Doc/library/pathlib.rst

@@ -488,9 +488,7 @@ Pure paths provide the following methods and properties:
 
    .. versionchanged:: 3.14
 
-      A single dot ("``.``") is now considered a valid suffix, which affects
-      the value of *stem*. In previous versions, ``PurePosixPath('my/file.').stem``
-      returned ``'file.'``; it now returns ``'file'``.
+      A single dot ("``.``") is now considered a valid suffix.
 
 
 .. method:: PurePath.as_posix()