diff --git a/doc/mp11/integral.adoc b/doc/mp11/integral.adoc
index 6ebcced..7def22b 100644
--- a/doc/mp11/integral.adoc
+++ b/doc/mp11/integral.adoc
@@ -10,6 +10,7 @@ http://www.boost.org/LICENSE_1_0.txt
 [#integral]
 # Integral Constants, <boost/mp11/integral.hpp>
 :toc:
+:toc-title:
 :idprefix:
 
 For an Mp11 integral constant type `T`, `T::value` is an integral constant in the C++ sense.