diff --git a/doc/gcc-performance.html b/doc/gcc-performance.html
index 6f22ddb8..6f7facb9 100644
--- a/doc/gcc-performance.html
+++ b/doc/gcc-performance.html
@@ -534,6 +534,10 @@
Copyright John Maddock April 2003, all rights reserved.
+© Copyright John Maddock 2003
+Use, modification and distribution are subject to the Boost Software License, + Version 1.0. (See accompanying file LICENSE_1_0.txt + or copy at http://www.boost.org/LICENSE_1_0.txt)
+