Switch to side-by-side view

--- a/doc/upplay.html
+++ b/doc/upplay.html
@@ -883,14 +883,15 @@
 </li>
 <li>
 <p>
-`Open in new tab.
+<code>Open in new tab</code>.
 </p>
 </li>
 <li>
 <p>
 <code>Random play by tracks</code>: this is analogous to <code>Send to playlist</code>, but the
-  list is shuffled, and sent to the Renderer by slices, so you can use a very
-  big list without swamping it.
+   list is shuffled, then sent to the Renderer by slices (of 30 tracks). The
+   slicing is so that so you can use a very big list without swamping the
+   renderer.
 </p>
 </li>
 <li>
@@ -1139,7 +1140,7 @@
 <div id="footer">
 <div id="footer-text">
 Last updated
- 2016-10-12 09:50:50 CEST
+ 2017-05-08 14:12:03 CEST
 </div>
 </div>
 </body>