html fixes

Author: wsfulton

Doc/Manual/R.html

@@ -217,7 +217,7 @@ <H2><a name="R_nn6">33.6 C++ classes</a></H2>
 <li> Variable accessors are automatically generated and called via the $, [, [[, $&lt;-,  [&lt;-, [[&lt;- operators.
 </ul>
 
-<H3><a name="R_class_examples">34.6.1 Examples</a></H3>
+<H3><a name="R_class_examples">33.6.1 Examples</a></H3>
 
 
 <p>