diff --git a/LDP/guide/docbook/Tuning-Linux/tuning_linux.sgml b/LDP/guide/docbook/Tuning-Linux/tuning_linux.sgml
index 70620f25..805a1062 100644
--- a/LDP/guide/docbook/Tuning-Linux/tuning_linux.sgml
+++ b/LDP/guide/docbook/Tuning-Linux/tuning_linux.sgml
@@ -1,5 +1,4 @@
 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V3.1//EN" [
-<!entity index SYSTEM "index.sgml">
 <!entity disk SYSTEM "disk.sgml">
 <!entity network SYSTEM "network.sgml">
 <!entity conventions SYSTEM "conventions.sgml">
@@ -24,7 +23,7 @@
      <surname>Komarinski</surname>
      <affiliation>
         <address>
-           <email>mkomarinski@valinux.com</email>
+           <email>mkomarinski@wayga.org</email>
         </address>
      </affiliation>
   </author>
@@ -128,17 +127,13 @@
  <preface id="copyright">
    <title>Copyright</title>
    <para>
-     This document is Copyright (c) 2001 Mark F. Komarinski
-     <email>mkomarinski@valinux.com</email>.
+     This document is Copyright (c) 2001-2016 Mark F. Komarinski
+     <email>mkomarinski@wayga.org</email>.
    </para>
    <para>
-     Permission to distribute in electronic form for any purpose is granted.
-     Premission to distribute in printed form for commercial use is not
-     granted unless granted by copyright holder in writing.
-     All translations and derivitive works must carry this copyright,
-     and copyright is still held by the original owner.
-     Fair use, excerpts, and other uses may be granted, please contact
-     the copyright holder.
+     Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License,
+     Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover
+     Texts, and with no Back-Cover Texts. A copy of the license is available at https://www.gnu.org/licenses/fdl.html.
    </para>
  </preface>
 
@@ -254,6 +249,5 @@
 &kernel;
 &apps;
 
-&index;
 
 </book>