diff --git a/share/tail.html b/share/tail.html
index bb095dd..977aecd 100644
--- a/share/tail.html
+++ b/share/tail.html
@@ -1,9 +1,9 @@
-<!-- tail.html by Hongliang 2012.09.11 -->
+<!-- tail.html by Hongliang Tian 2012.09.11 -->
 </div>
 <script type="text/javascript">
 $(function() {
   var $pages = $(".p"), 
-      $pageWrappers = $(".pw"),
+      $pageWrappers = $(".b"),
       $main  = $("#pdf-main"),
       l = $pages.length;