Update link to release notes.

index.html

@@ -58,7 +58,7 @@
   <p>The release includes ??? new libraries
   (),
   as well as updates to many existing libraries. See
-  <a href="http://www.boost.org/users/history/version_1_61_0.html">Release
+  <a href="http://www.boost.org/users/history/version_1_62_0.html">Release
   History</a> for more information.</p>
 
   <h3>Getting Started</h3>