diff --git a/talk.tex b/talk.tex
index bfa36c8..f0ae672 100644
--- a/talk.tex
+++ b/talk.tex
@@ -858,6 +858,7 @@ a.addEventListener&&a.addEventListener(o,g)),l.add&&(l.add.call(a,k),
 k.handler.guid||(k.handler.guid=c.guid)),e?m.splice(m.delegateCount++,0,k)
 :m.push(k),n.event.global[o]=!0)}}
 \end{verbatim}
+  {\scriptsize https://code.jquery.com/jquery-2.2.1.min.js}
   \lecture{This is an example of minified code---a snippet of jQuery's
            minified sources for an 'add' method.  Real quick---what do each
            of those arguments mean?  What does this function do?