diff --git a/user_guide/libraries/cart.html b/user_guide/libraries/cart.html
index 7c709d3..4649c5d 100644
--- a/user_guide/libraries/cart.html
+++ b/user_guide/libraries/cart.html
@@ -368,11 +368,11 @@
 

 <div id="footer">

 <p>

-Previous Topic:&nbsp;&nbsp;<a href="benchmark.html">Benchmarking Class</a>

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

 &nbsp;&nbsp;&nbsp;&middot;&nbsp;&nbsp;

 <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;

-Next Topic:&nbsp;&nbsp;<a href="calendar.html">Calendar Class</a>

+Next Topic:&nbsp;&nbsp;<a href="config.html">Config Class</a>

 </p>

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 </div>