[w3c/webauthn] c53fb2: Update index.src.html

  Branch: refs/heads/Issue-70
  Home:   https://github.com/w3c/webauthn
  Commit: c53fb2c0722529eb24f806216b9f96aada2641b2
      https://github.com/w3c/webauthn/commit/c53fb2c0722529eb24f806216b9f96aada2641b2
  Author: levangongPayPal <hlevangong@paypal.com>
  Date:   2016-04-13 (Wed, 13 Apr 2016)

  Changed paths:
    M index.src.html

  Log Message:
  -----------
  Update index.src.html

Agreed & incorporated Vijay's recommendation.