Show the differing module names for readlink() (GH-17395)

This was very confusing with the text for both being just `readlink()`.

Author: yoniLavi

Doc/whatsnew/3.9.rst

@@ -184,8 +184,8 @@ case), and one used ``__VENV_NAME__`` instead.
 pathlib
 -------
 
-Added :meth:`~pathlib.Path.readlink()` which acts similar to
-:func:`~os.readlink`.
+Added :meth:`pathlib.Path.readlink()` which acts similarly to
+:func:`os.readlink`.
 (Contributed by Girts Folkmanis in :issue:`30618`)
 
 pprint