diff --git a/doc/ref.xml b/doc/ref.xml
index f0376c8..39fede9 100644
--- a/doc/ref.xml
+++ b/doc/ref.xml
@@ -38,11 +38,9 @@
     </copyright>
 
     <legalnotice>
-      <para>Permission to copy, use, modify, sell and distribute this
-      software is granted provided this copyright notice appears in
-      all copies.  This software is provided "as is" without express
-      or implied warranty, and with no claim as to its suitability for
-      any purpose.
+      <para>Subject to the Boost Software License, Version 1.0. See 
+      accompanying file <filename>LICENSE_1_0.txt</filename> or copy at
+      <ulink url="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</ulink>.
       </para>
     </legalnotice>