diff --git a/doc/html/threads.html b/doc/html/threads.html
index 23aa028e9f..9f214813d5 100644
--- a/doc/html/threads.html
+++ b/doc/html/threads.html
@@ -1,3 +1,8 @@
+<!-- Copyright (c) 2002-2003 William E. Kempf.
+     Subject to the Boost Software License, Version 1.0. 
+     (See accompanying file LICENSE-1.0 or  http://www.boost.org/LICENSE-1.0)
+-->
+
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 <html>
   <head>
