Commit

Author: StanFromIreland

Doc/using/cmdline.rst

@@ -369,7 +369,7 @@ 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
+   :envvar:`PYTHONHASHSEED` environment variable is set, since hash
    randomization is enabled by default.
 
    On previous versions of Python, this option turns on hash randomization,

Python/initconfig.c

@@ -273,6 +273,8 @@ Options (and corresponding environment variables):\n\
 -P     : don't prepend a potentially unsafe path to sys.path; also\n\
          PYTHONSAFEPATH\n\
 -q     : don't print version and copyright messages on interactive startup\n\
+-R     : enable hash randomization;
+         this option overrides PYTHONHASHSEED to use the default behavior\n\
 -s     : don't add user site directory to sys.path; also PYTHONNOUSERSITE=x\n\
 -S     : don't imply 'import site' on initialization\n\
 -u     : force the stdout and stderr streams to be unbuffered;\n\