diff --git a/doc/ref/Reference/rational_c.html b/doc/ref/Reference/rational_c.html
index f9e36dd..dc03c41 100644
--- a/doc/ref/Reference/rational_c.html
+++ b/doc/ref/Reference/rational_c.html
@@ -29,7 +29,7 @@ A model of <a href="../Rational_Constant.html">Rational Constant</a>.
 <h3>Definition</h3>
 <p>
 <pre>
-#include "<a href="../../../../../boost/mpl/rational_c.hpp">boost/mpl/rational_c.hpp</a>"
+#include "<a href="../../../../../boost/mpl/math/rational_c.hpp">boost/mpl/math/rational_c.hpp</a>"
 </pre>
 <p>
 <h3>Parameters</h3>