[w3c/webauthn] 3c435a: fixup inter-step references, thx emlun!

  Branch: refs/heads/jeffh-fix-792-use-utf-8-decode-directly
  Home:   https://github.com/w3c/webauthn
  Commit: 3c435ac5c0512ed9d6fac97e7d37da810fe2a5fd
      https://github.com/w3c/webauthn/commit/3c435ac5c0512ed9d6fac97e7d37da810fe2a5fd
  Author: JeffH <Jeff.Hodges@PayPal.com>
  Date:   2018-02-09 (Fri, 09 Feb 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  fixup inter-step references, thx emlun!