Minor tweaks.

[SVN r12684]

include/boost/detail/shared_array_nmt.hpp

@@ -12,7 +12,7 @@
 //  This software is provided "as is" without express or implied
 //  warranty, and with no claim as to its suitability for any purpose.
 //
-//  See http://www.boost.org for most recent version including documentation.
+//  See http://www.boost.org/libs/smart_ptr/shared_array.htm for documentation.
 //
 
 #include <boost/assert.hpp>