[w3c/webauthn] d95918: Address review comments

  Branch: refs/heads/authenticator-taxonomy
  Home:   https://github.com/w3c/webauthn
  Commit: d95918495ceffe6044c70adf8b672f81d24bdf4a
      https://github.com/w3c/webauthn/commit/d95918495ceffe6044c70adf8b672f81d24bdf4a
  Author: Emil Lundberg <emil@yubico.com>
  Date:   2018-07-11 (Wed, 11 Jul 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Address review comments

See https://github.com/w3c/webauthn/pull/956#pullrequestreview-136032383



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