Docs(cli): Nitpick `--help` message wording
Docs(cli): Nitpick `--help` message wording

Otherwise a user might ask:
- "Is there a difference between 'Show' and 'Display'?"
- "Is the `-h` message different from this message?"
- "Does `-v` show the version information of an exercise?" (This could
  be especially confusing since exercise version strings no longer
  exist).

exercism/configlet