diff --git a/doc/contents.html b/doc/contents.html
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@@ -8,7 +8,7 @@
 </head>
 <body>
 
-<h4><a href="http://boost-consulting.com/tmpbook/preprocessor.html" target="_top">Introduction</a></h4>
+<h4><a href="http://www.boostpro.com/mplbook/preprocessor.html" target="_top">Introduction</a></h4>
 <h4><a href="topics.html">Topics</h4>
 <h4><a href="terms.html">Terminology</h4>
 <h4><a href="data.html">Data Types</h4>
