Change --language option to match other

[fazibear]

SubtitleIt - Download, convert and create subtitles.

Usage: subtitle_it [options] movie or file_in [file_out]

 Options are:
    -l, --language [LANGUAGE]        Language to search subtitles for, try it empty to see the supported ones.
    -c, --convert=FORMAT             Format to convert to
    -d, --delay=DELAY                Delay to add/remove
    -f, --force                      Force overwrite
    -h, --help                       Show this help message.
    -v, --version                    Show program version

change
-l, --language [LANGUAGE] Language to search subtitles for, try it empty to see the supported
to
-l, --language=LANGUAGE Language to search subtitles for, try it empty to see the supported
to match other options.