diff --git a/Packages/kdtree/changes.txt b/Packages/kdtree/changes.txt
index a519ddb63d0..db5116d048d 100644
--- a/Packages/kdtree/changes.txt
+++ b/Packages/kdtree/changes.txt
@@ -1,3 +1,6 @@
+Version 2.3.3 (09 February 2004) [rursu]
+- Updated headers in examples
+
 2.3.2 new headers.
 
 2.2.25 Add #include <iterator> to please GCC 3.1.
diff --git a/Packages/kdtree/examples/kdtrees/example1.C b/Packages/kdtree/examples/kdtrees/example1.C
index f7e9c34f8ee..fec51467494 100644
--- a/Packages/kdtree/examples/kdtrees/example1.C
+++ b/Packages/kdtree/examples/kdtrees/example1.C
@@ -1,3 +1,10 @@
+// Copyright (c) 1997  Tel-Aviv University (Israel).
+// All rights reserved.
+//
+// This file is part of an example program for CGAL.  This example
+// program may be used, distributed and modified without limitation.
+//
+
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*
  * example1.C -
  *    Simple example the CGAL KD-tree module.
diff --git a/Packages/kdtree/examples/kdtrees/example2.C b/Packages/kdtree/examples/kdtrees/example2.C
index 3409b803e85..346da0fa900 100644
--- a/Packages/kdtree/examples/kdtrees/example2.C
+++ b/Packages/kdtree/examples/kdtrees/example2.C
@@ -1,3 +1,10 @@
+// Copyright (c) 1997  Tel-Aviv University (Israel).
+// All rights reserved.
+//
+// This file is part of an example program for CGAL.  This example
+// program may be used, distributed and modified without limitation.
+//
+
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*
  * example2.C -
  *    Simple example the CGAL KD-tree module.
diff --git a/Packages/kdtree/examples/kdtrees/example3.C b/Packages/kdtree/examples/kdtrees/example3.C
index 9f6c9a04662..33dbc5157ee 100644
--- a/Packages/kdtree/examples/kdtrees/example3.C
+++ b/Packages/kdtree/examples/kdtrees/example3.C
@@ -1,3 +1,10 @@
+// Copyright (c) 1997  Tel-Aviv University (Israel).
+// All rights reserved.
+//
+// This file is part of an example program for CGAL.  This example
+// program may be used, distributed and modified without limitation.
+//
+
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*
  * example3.C -
  *    Simple example the CGAL KD-tree module.
diff --git a/Packages/kdtree/examples/kdtrees/example4.C b/Packages/kdtree/examples/kdtrees/example4.C
index 10a61b2fb1b..e81a22a3c00 100644
--- a/Packages/kdtree/examples/kdtrees/example4.C
+++ b/Packages/kdtree/examples/kdtrees/example4.C
@@ -1,3 +1,10 @@
+// Copyright (c) 1997  Tel-Aviv University (Israel).
+// All rights reserved.
+//
+// This file is part of an example program for CGAL.  This example
+// program may be used, distributed and modified without limitation.
+//
+
 /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*
  * example2.C - bench mark
  *    Simple example the CGAL KD-tree module.