diff --git a/chapter06/bzip2.xml b/chapter06/bzip2.xml
index 19af5d79c..b16819d6f 100644
--- a/chapter06/bzip2.xml
+++ b/chapter06/bzip2.xml
@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
 <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
   <!ENTITY % general-entities SYSTEM "../general.ent">
+  <!ENTITY % patches-entities SYSTEM "../patches.ent">
   %general-entities;
+  %patches-entities;
 ]>
 <sect1 id="ch-system-bzip2" role="wrap">
 <title>Bzip2-&bzip2-version;</title>
@@ -11,8 +13,8 @@
 
 <sect2 role="package"><title/>
 <para>The Bzip2 package contains programs for compressing and decompressing
-files. Text files yield a much better compression than with the
-traditional <command>gzip</command>.</para>
+files. Compressing text files with <command>bzip2</command> yield a much better
+compression percentage than with the traditional <command>gzip</command>.</para>
 
 <segmentedlist>
 <segtitle>&buildtime;</segtitle>