diff --git a/scsh/xanadu/b-tree.scm b/scsh/xanadu/b-tree.scm
new file mode 100644
index 0000000..bdf0803
--- /dev/null
+++ b/scsh/xanadu/b-tree.scm
@@ -0,0 +1,28 @@
+;;; b-tree.scm - a B-tree for Xanadu
+;;;
+;;; Copyright (c) 2011-2012 Johan Ceuppens
+;;;
+;;; All rights reserved.
+;;;
+;;; Redistribution and use in source and binary forms, with or without
+;;; modification, are permitted provided that the following conditions
+;;; are met:
+;;; 1. Redistributions of source code must retain the above copyright
+;;;    notice, this list of conditions and the following disclaimer.
+;;; 2. Redistributions in binary form must reproduce the above copyright
+;;;    notice, this list of conditions and the following disclaimer in the
+;;;    documentation and/or other materials provided with the distribution.
+;;; 3. The name of the authors may not be used to endorse or promote products
+;;;    derived from this software without specific prior written permission.
+;;;
+;;; THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+;;; IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+;;; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+;;; IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+;;; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+;;; NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+;;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+;;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+;;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+;;; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
diff --git a/scsh/xanadu/load.scm b/scsh/xanadu/load.scm
index 7ff1fbe..ac1621a 100644
--- a/scsh/xanadu/load.scm
+++ b/scsh/xanadu/load.scm
@@ -1,4 +1,4 @@
-;;; scganadu.scm - a Xanadu file system (until desktop publishing)
+;;; load.scm - a Xanadu file system (until desktop publishing)
 ;;;
 ;;; Copyright (c) 2011-2012 Johan Ceuppens
 ;;;