Drush is a command-line shell and scripting interface for Drupal, a veritable Swiss Army knife designed to make life easier for those who spend their working hours hacking away at the command prompt.
role description says add when it should say remove. Changing this will make the description accurately describe the action being taken. In this case the machine name of the role to remove.
role description says add when it should say remove. Changing this will make the description accurately describe the action being taken. In this case the machine name of the role to remove.