diff --git a/user_guide/toc.html b/user_guide/toc.html
index 0a652ce..81d1f12 100644
--- a/user_guide/toc.html
+++ b/user_guide/toc.html
@@ -127,6 +127,7 @@
 <ul>
 <li><a href="./libraries/benchmark.html">Benchmarking Class</a></li>
 <li><a href="./libraries/calendar.html">Calendaring Class</a></li>
+<li><a href="./libraries/cart.html">Cart Class</a></li>
 <li><a href="./libraries/config.html">Config Class</a></li>
 <li><a href="./database/index.html">Database Class</a></li>
 <li><a href="./libraries/email.html">Email Class</a></li>