[w3c/webauthn] cf07d2: update per emlun's comment, thx!

  Branch: refs/heads/jeffh-spec-roadmap
  Home:   https://github.com/w3c/webauthn
  Commit: cf07d23f9708c81b5e33db5fe003d4f1a7a3e931
      https://github.com/w3c/webauthn/commit/cf07d23f9708c81b5e33db5fe003d4f1a7a3e931
  Author: JeffH <Jeff.Hodges@KingsMountain.com>
  Date:   2018-09-12 (Wed, 12 Sep 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  update per emlun's comment, thx!



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