diff --git a/doc/under-the-hood.html b/doc/under-the-hood.html
index e2a0ce2b..ee0ecdfb 100644
--- a/doc/under-the-hood.html
+++ b/doc/under-the-hood.html
@@ -35,8 +35,7 @@
       "example1.html#world_class"><code>extension_class&lt;T&gt;</code></a>
       template defines a whole raft of these conversions (for <code>T, T*,
       T&amp;, std::auto_ptr&lt;T&gt;</code>, etc.), using the same inline
-      friend function technique employed by <a href= 
-      "file:///c:/boost/site/libs/utility/operators.htm">the boost operators
+      friend function technique employed by <a href="../../utility/operators.htm">the boost operators
       library</a>.
     <p>
       Because the <code>to_python</code> and <code>from_python</code> functions