diff --git a/doc/quickbook/facade_tutorial.qbk b/doc/quickbook/facade_tutorial.qbk
index 756c11e..ad066c8 100644
--- a/doc/quickbook/facade_tutorial.qbk
+++ b/doc/quickbook/facade_tutorial.qbk
@@ -285,7 +285,7 @@ changes:
 
   class const_node_iterator
     : public boost::iterator_facade<
-          node_iterator
+          const_node_iterator
         , node_base **const**
         , boost::forward_traversal_tag
       >