Updated docstrings.

Author: kmvanbrunt

cmd2/argparse_custom.py

@@ -1005,7 +1005,8 @@ def _SubParsersAction_add_existing_parser(  # noqa: N802
     :param self: instance of the _SubParsersAction being edited
     :param name: name of the subcommand to add
     :param subcmd_parser: the parser for this new subcommand
-    :param add_parser_kwargs: registration-specific kwargs for add_parser() (e.g. help, aliases, deprecated)
+    :param add_parser_kwargs: registration-specific kwargs for add_parser()
+                              (e.g. help, aliases, deprecated [Python 3.13+])
     """
     # Use add_parser to register the subcommand name and any aliases
     self.add_parser(name, **add_parser_kwargs)

cmd2/decorators.py

@@ -364,7 +364,8 @@ def as_subcommand_to(
                  This is passed as the help argument to subparsers.add_parser().
     :param aliases: Alternative names for this subcommand. This is passed as the alias argument to
                     subparsers.add_parser().
-    :param add_parser_kwargs: other registration-specific kwargs for add_parser() (e.g. deprecated)
+    :param add_parser_kwargs: other registration-specific kwargs for add_parser()
+                              (e.g. deprecated [Python 3.13+])
     :return: Wrapper function that can receive an argparse.Namespace
     """