diff --git a/doc/boost-exception.html b/doc/boost-exception.html
index d59fc44..ea0b1a2 100644
--- a/doc/boost-exception.html
+++ b/doc/boost-exception.html
@@ -470,7 +470,7 @@ boost
 <p>&nbsp;</p>
 <hr/>
 <p>
-<a class="logo" href="http://jigsaw.w3.org/css-validator/validator?uri=./reno.css"><img class="logo_pic" src="valid-css.png" alt="Valid CSS" height="31" width="88"/></a>
+<a class="logo" href="http://jigsaw.w3.org/css-validator/validator?uri=referer"><img class="logo_pic" src="valid-css.png" alt="Valid CSS" height="31" width="88"/></a>
 <a class="logo" href="http://validator.w3.org/check?uri=referer"><img class="logo_pic" src="valid-xhtml.png" alt="Valid XHTML 1.0" height="31" width="88"/></a>
 <small>Copyright (c) 2006-2008 by Emil Dotchevski and Reverge Studios, Inc.<br/>
 Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small>