bug fix: & -> &

[SVN r32391]

index.htm

@@ -147,7 +147,7 @@
                           performance when copying or construction
                           Boost.Function objects storing small
                           function objects. For
-                          instance, <code>bind(&X:foo, &x, _1,
+                          instance, <code>bind(&amp;X:foo, &amp;x, _1,
                           _2)</code> requires no heap allocation when
                           placed into a Boost.Function object.</li>