--- a/README	Sun Mar 07 22:45:24 2004 +0100
+++ b/README	Wed Mar 10 17:08:26 2004 +0100
@@ -5,10 +5,12 @@
 <tuomov at iki.fi>
 
 
-Libtu is a small utility library for programs written in C. You may
-distribute and modify it under the terms of either the Clarified
-Artistic License or the GNU LGPL, version 2.1 or later, both reproduced
-in the file LICENSE.
+Libtu is a small utility library for programs written in C. 
+
+Most of this library may be distributed and modified under either under
+the Clarified Artistic License or the GNU LGPL, version 2.1 or later, 
+both reproduced in the file LICENSE. The red-black tree code is under
+the GNU LGPL; see README.rb for details.
 
 To build the library, first edit system.mk to customize it for your
 system if necessary. Then 'make depend && make'.