diff --git a/doc/ref/goops-tutorial.texi b/doc/ref/goops-tutorial.texi
index 569920af6..76774f8d1 100644
--- a/doc/ref/goops-tutorial.texi
+++ b/doc/ref/goops-tutorial.texi
@@ -47,7 +47,6 @@ The main @goops{} module is imported by evaluating:
 @cindex preparing
 
 @menu
-* Copyright::
 * Class definition::  
 * Instance creation and slot access::  
 * Slot description::            
@@ -55,25 +54,6 @@ The main @goops{} module is imported by evaluating:
 * Generic functions::           
 @end menu
 
-@node Copyright
-@subsection Copyright
-
-Original attribution:
-
-STk Reference manual (Appendix: An Introduction to STklos)
-
-Copyright © 1993-1999 Erick Gallesio - I3S-CNRS/ESSI <eg@@unice.fr>
-Permission to use, copy, modify, distribute,and license this
-software and its documentation for any purpose is hereby granted,
-provided that existing copyright notices are retained in all
-copies and that this notice is included verbatim in any
-distributions.  No written agreement, license, or royalty fee is
-required for any of the authorized uses.
-This software is provided ``AS IS'' without express or implied
-warranty.
-
-Adapted for use in Guile with the author's permission
-
 @node Class definition
 @subsection Class definition
 
diff --git a/doc/ref/goops.texi b/doc/ref/goops.texi
index f6e76166d..26df72878 100644
--- a/doc/ref/goops.texi
+++ b/doc/ref/goops.texi
@@ -29,12 +29,33 @@ defined as methods on relevant classes, and can be customised by
 overriding or redefining those methods.
 
 @menu
+* Copyright Notice::
 * Quick Start::
 * Tutorial::
 * Reference Manual::
 * MOP Specification::
 @end menu
 
+@node Copyright Notice
+@section Copyright Notice
+
+The material in this chapter is partly derived from the STk Reference
+Manual written by Erick Gallesio, whose copyright notice is as follows.
+
+Copyright © 1993-1999 Erick Gallesio - I3S-CNRS/ESSI <eg@@unice.fr>
+Permission to use, copy, modify, distribute,and license this
+software and its documentation for any purpose is hereby granted,
+provided that existing copyright notices are retained in all
+copies and that this notice is included verbatim in any
+distributions.  No written agreement, license, or royalty fee is
+required for any of the authorized uses.
+This software is provided ``AS IS'' without express or implied
+warranty.
+
+The material has been adapted for use in Guile, with the author's
+permission.
+
+
 @node Quick Start
 @section Quick Start