diff --git a/doc/utility_class.html b/doc/utility_class.html
index da57e08..5353b57 100644
--- a/doc/utility_class.html
+++ b/doc/utility_class.html
@@ -33,10 +33,10 @@
     </ul>
     </ul>
 
-    The <code>iterator_range</code> class is templated on an <a href="">Forward 
+    The <code>iterator_range</code> class is templated on an 
+    <a href="../../iterator/doc/new-iter-concepts.html#forward-traversal-iterators-lib-forward-traversal-iterators">Forward 
     Traversal Iterator</a> and should be used whenever fairly general code is needed. 
-    The <code>sub_range</code> class is templated on an <a 
-href="range.html#forward_range">Forward
+    The <code>sub_range</code> class is templated on an <a href="range.html#forward_range">Forward
     Range</a> and it is less general, but a bit easier to use since its template 
     argument is easier to specify. The biggest difference is, however, that a 
     <code>sub_range</code> can propagate constness because it knows what a