diff --git a/Jamfile b/Jamfile
index 7cd68ec..8b7c473 100644
--- a/Jamfile
+++ b/Jamfile
@@ -1,3 +1,6 @@
+# Copyright David Abrahams, Jeremy Siek 2006. Distributed under 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)
 subproject libs/concept_check ;
 
 import testing ;
diff --git a/Jamfile.v2 b/Jamfile.v2
index 84bbb6d..fb7b31a 100644
--- a/Jamfile.v2
+++ b/Jamfile.v2
@@ -1,4 +1,7 @@
-
+# Copyright David Abrahams, Jeremy Siek, Vladimir Prus
+# 2006. Distributed under 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)
 import testing ;
 
 test-suite concept_check