[3.14] gh-89905: Correct -R option doc (GH-137608) (#138353)

Co-authored-by: Stan Ulbrych <[email protected]>

Author: miss-islington

Doc/using/cmdline.rst

@@ -369,8 +369,8 @@ Miscellaneous options
 .. option:: -R
 
    Turn on hash randomization. This option only has an effect if the
-   :envvar:`PYTHONHASHSEED` environment variable is set to ``0``, since hash
-   randomization is enabled by default.
+   :envvar:`PYTHONHASHSEED` environment variable is set to anything other
+   than ``random``, since hash randomization is enabled by default.
 
    On previous versions of Python, this option turns on hash randomization,
    so that the :meth:`~object.__hash__` values of str and bytes objects