rustdoc man-page is out of date

[huonw]

[...]
SYNOPSIS
       rustdoc [OPTIONS] CRATEFILE
[...]
COMMANDS
       --output-dir <val>
              Put documents here (default: .)

       --output-format <val>
              markdown or html (default: html)

       --output-style <val>
              doc-per-crate or doc-per-mod (default: doc-per-mod)

       --pandoc-cmd <val>
              Command for running pandoc

       -h, --help
              Print help
[...]

vs

$ rustdoc --help
rustdoc [options] [html|json] <crate>

Options:
    -L --library-path DIR
                        directory to add to crate search path
    --plugin-path DIR   directory to load plugins from
    --passes PASSES     space separated list of passes to also run, a value of
                        `list` will print available passes
    --plugins PLUGINS   space separated list of plugins to also load
    -h --help           show this help message
    --nodefaults        don't run the default passes
    -o --output PATH    where to place the output