[InterNetNews/inn] bc05b3: controlchan: Typo in the usage text

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: bc05b38c4eb73708248863b1a61fc7050387050e
      https://github.com/InterNetNews/inn/commit/bc05b38c4eb73708248863b1a61fc7050387050e
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2021-10-02 (Sat, 02 Oct 2021)

  Changed paths:
    M control/controlchan.in

  Log Message:
  -----------
  controlchan: Typo in the usage text