[w3c/webauthn] 269144: Fix issue #685 (#686)

  Branch: refs/heads/master
  Home:   https://github.com/w3c/webauthn
  Commit: 269144c764db7818c9d149bd08e82c83c2906d74
      https://github.com/w3c/webauthn/commit/269144c764db7818c9d149bd08e82c83c2906d74
  Author: Emil Lundberg <lundberg.emil@gmail.com>
  Date:   2017-12-13 (Wed, 13 Dec 2017)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Fix issue #685 (#686)

See https://github.com/w3c/webauthn/issues/685