diff --git a/user_guide/nav/nav.js b/user_guide/nav/nav.js
index 9ff53dc..f0258cd 100644
--- a/user_guide/nav/nav.js
+++ b/user_guide/nav/nav.js
@@ -73,7 +73,7 @@
 		'<h3>Class Reference</h3>' +
 		'<ul>' +
 		'<li><a href="'+base+'libraries/benchmark.html">Benchmarking Class</a></li>' +
-		'<li><a href="'+base+'libraries/calendar.html">Cart Class</a></li>' +
+		'<li><a href="'+base+'libraries/cart.html">Cart Class</a></li>' +
 		'<li><a href="'+base+'libraries/calendar.html">Calendar Class</a></li>' +
 		'<li><a href="'+base+'libraries/config.html">Config Class</a></li>' +
 		'<li><a href="'+base+'database/index.html">Database Class</a></li>' +