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4 changes: 3 additions & 1 deletion Doc/library/argparse.rst
Original file line number Diff line number Diff line change
Expand Up @@ -734,7 +734,9 @@ how the command-line arguments should be handled. The supplied actions are:
>>> parser.parse_args(['-vvv'])
Namespace(verbose=3)

Note, the *default* will be ``None`` unless explicitly set to *0*.
Unless explicitly set, the *default* will be ``None``. If the default
value is a non-zero number, the count starts from that number rather
than from zero.

* ``'help'`` - This prints a complete help message for all the options in the
current parser and then exits. By default a help action is automatically
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