diff --git a/src/calibre/utils/msdes/spr.h b/src/calibre/utils/msdes/spr.h
index fdcf5e3e46..1579892575 100644
--- a/src/calibre/utils/msdes/spr.h
+++ b/src/calibre/utils/msdes/spr.h
@@ -1,60 +1,25 @@
-/* crypto/des/spr.h */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- * 
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- * 
- * 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 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR OR CONTRIBUTORS 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.
- * 
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
+/*--[crypto/des/spr.h]---------------------------------------------------------
+ | Copyright (C) 2002 Dan A. Jackson 
+ |
+ | This file is part of the "openclit" library for processing .LIT files.
+ |
+ | "Openclit" is free software; you can redistribute it and/or modify
+ | it under the terms of the GNU General Public License as published by
+ | the Free Software Foundation; either version 2 of the License, or
+ | (at your option) any later version.
+ |
+ | This program is distributed in the hope that it will be useful,
+ | but WITHOUT ANY WARRANTY; without even the implied warranty of
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ | GNU General Public License for more details.
+ |
+ | You should have received a copy of the GNU General Public License
+ | along with this program; if not, write to the Free Software
+ | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ | 
+ | The GNU General Public License may also be available at the following
+ | URL: http://www.gnu.org/licenses/gpl.html
+*/
 
 static unsigned long SP1[64] = {
 0x02080800L, 0x00080000L, 0x02000002L, 0x02080802L,