[w3c/webauthn] 26f20b: put back vijay's suggestion that got dropped

  Branch: refs/heads/acz2
  Home:   https://github.com/w3c/webauthn
  Commit: 26f20b2aa66bd0cbca57f366f6ea80037afd53af
      https://github.com/w3c/webauthn/commit/26f20b2aa66bd0cbca57f366f6ea80037afd53af
  Author: Alexei Czeskis <aczeskis@google.com>
  Date:   2016-11-16 (Wed, 16 Nov 2016)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  put back vijay's suggestion that got dropped