s/data-dfn-for/for/

getusermedia.html

@@ -918,7 +918,7 @@ <h4>Media Flow</h4>
         <p>Whenever the [=User Agent=] initiates such a change, it MUST queue a
         task, using the user interaction task source, to [=set a track's muted
         state=] to the state desired by the user.</p>
-        <p>To <dfn class="export" data-dfn-for="MediaStreamTrack"
+        <p>To <dfn class="export" for="MediaStreamTrack"
         id="set-track-muted">set a track's muted state</dfn> to
         <var>newState</var>, the [=User Agent=] MUST run the following steps:</p>
         <ol class="algorithm">