[faiproject/fai] 3adc5b: duplicate full stop

[Mrfai]

  Branch: refs/heads/master
  Home:   https://github.com/faiproject/fai
  Commit: 3adc5bb3148f1206a5bdd9c22b23f6f3e0e4b91d
      https://github.com/faiproject/fai/commit/3adc5bb3148f1206a5bdd9c22b23f6f3e0e4b91d
  Author: Thomas Lange <lange at debian.org>
  Date:   2023-06-07 (Wed, 07 Jun 2023)

  Changed paths:
    M man/fai-cd.8

  Log Message:
  -----------
  duplicate full stop