diff --git a/en_US.ISO8859-1/books/handbook/preface/preface.sgml b/en_US.ISO8859-1/books/handbook/preface/preface.sgml
index 4b7539b7ec..237bde32ae 100644
--- a/en_US.ISO8859-1/books/handbook/preface/preface.sgml
+++ b/en_US.ISO8859-1/books/handbook/preface/preface.sgml
@@ -25,13 +25,42 @@
   <para>For a list of additional sources of information, please see <xref
     linkend="bibliography">.</para>
 
-  <bridgehead id="preface-changes-from2" renderas=sect1>Changes from the
-  Second Edition</bridgehead>
+  <bridgehead id="preface-changes-from3" renderas=sect1>Changes from the
+  Third Edition</bridgehead>
 
-  <para>This third edition is the culmination of over two years of
+  <para>The current online version of the Handbook represents the
+    cumulative effort of many hundreds of contributors over the past
+    10 years.  The following are some of the significant changes since
+    the two volume third edition was published in 2004:</para>
+
+  <itemizedlist>
+      <listitem>
+	<para><xref linkend="dtrace">, DTrace, has been added with
+	  information about the powerful DTrace performance analysis
+	  tool.</para>
+      </listitem>
+
+      <listitem>
+	<para><xref linkend="filesystems">, File Systems Support, has
+	  been added with information about non-native file systems in
+	  &os;, such as ZFS from &sun;.</para>
+      </listitem>
+
+      <listitem>
+        <para><xref linkend="virtualization">, Virtualization, has
+          been added with information about installing &os; on
+          virtualization software.</para>
+      </listitem>
+  </itemizedlist>
+
+  <bridgehead id="preface-changes-from2" renderas=sect1>Changes from the
+  Second Edition (2004)</bridgehead>
+
+  <para>The third edition was the culmination of over two years of
       work by the dedicated members of the FreeBSD Documentation
-      Project.  The following are the major changes in this new
-      edition:</para>
+      Project.  The printed edition grew to such a size that it was
+      necessary to publish as two separate volumes.  The following are
+      the major changes in this new edition:</para>
 
   <itemizedlist>
       <listitem>
@@ -112,7 +141,7 @@
     </itemizedlist>
 
   <bridgehead id="preface-changes" renderas=sect1>Changes from the
-  First Edition</bridgehead>
+  First Edition (2001)</bridgehead>
 
     <para>The second edition was the culmination of over two years of
       work by the dedicated members of the FreeBSD Documentation