Merge pull request #759 from youennf/label-sanitization

Mention that device labels can be sanitized

getusermedia.html

@@ -2879,7 +2879,12 @@ <h2>Methods</h2>
               cross-origin information via the list of all media capture devices,
               including their grouping and human readable labels associated
               with the capture devices, which further adds to the
-              fingerprinting surface.</p>
+              fingerprinting surface. A User Agent may limit exposure by sanitizing
+              device labels. This could for instance mean removing user names found
+              in labels, but keeping device manufacturer or model information.
+              It is important that the sanitized labels allow users to identify
+              the corresponding devices.
+              </p>
             </dd>
           </dl>
         </section>