Hardware/software leaks

Fix for Issue #22

index.html

@@ -797,7 +797,9 @@ <h2>Persistent information</h2>
  detailed and ordered information about the codecs that the system is able
  to produce and consume. The WebRTC-SVC extension adds supported SVC modes
  to that information, which is in most cases persistent across time and origins,
- therefore increasing the fingerprint surface.</p>
+ therefore increasing the fingerprint surface. However, the supported
+ <code>scalabilityModes</code> does not provide information on which codecs
+ are implemented in hardware, and which are only available in software.</p>
  </section>
  </section>
  <section id="change-log*">