[w3c/webauthn] 8babb6: Address @selfissued's review comments

  Branch: refs/heads/authenticator-taxonomy-use-cases
  Home:   https://github.com/w3c/webauthn
  Commit: 8babb62c94a577ae61b85693623a392ca0ff89c7
      https://github.com/w3c/webauthn/commit/8babb62c94a577ae61b85693623a392ca0ff89c7
  Author: Emil Lundberg <emil@yubico.com>
  Date:   2018-07-06 (Fri, 06 Jul 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Address @selfissued's review comments



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