Change FAQ entry for modifying traffic control to point to the web

page.

www/faq.html

@@ -830,7 +830,12 @@
     been swapped in. Note that you cannot <em>convert</em> a non shaped
     link into a shaped link; you can only modify the traffic shaping
     parameters of a link that is already being shaped.  To modify the
-    parameters, log into <b>users.emulab.net</b> and use the
+    parameters, go to the Experiment Information page of your
+    experiment, and click on the "Control Traffic Shaping" menu
+    option. Follow the instructions at the top of the page.
+    </p>
+    <p>
+    An alternative method is to log into <b>users.emulab.net</b> and use the
     <tt>delay_config</tt> program. This program requires that you know
     the symbolic names of the individual links. This information is
     available via the web interface on the Experiment Information