diff --git a/user_guide/libraries/trackback.html b/user_guide/libraries/trackback.html
index 0621d4e..c4caf5e 100644
--- a/user_guide/libraries/trackback.html
+++ b/user_guide/libraries/trackback.html
@@ -238,7 +238,7 @@
 

 <div id="footer">

 <p>

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+Previous Topic:&nbsp;&nbsp;<a href="sessions.html">Session Class</a>

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 <a href="#top">Top of Page</a>&nbsp;&nbsp;&nbsp;&middot;&nbsp;&nbsp;

 <a href="../index.html">User Guide Home</a>&nbsp;&nbsp;&nbsp;&middot;&nbsp;&nbsp;