Update how-it-works doc section
Update how-it-works doc section

asciinema/asciinema.org,asciinema/asciinema.org,asciinema/asciinema.org,asciinema/asciinema-server,asciinema/asciinema.org,asciinema/asciinema-server,asciinema/asciinema-server,asciinema/asciinema-server