diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 177c82206..b455d82b8 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -127,8 +127,10 @@ First a summary, then a detailed log.</para>
 <listitem><para>October 29, 2005 [matt]: Upgrade to man-pages 2.11.</para>
 </listitem>
 
-<listitem><para>October 29, 2005 [matt]: Upgrade to coreutils-5.92.</para>
-</listitem>
+<listitem><para>October 29, 2005 [matt]: Upgrade to coreutils-5.92.  This
+involved removing the DEFAULT_POSIX2_VERSION environment variable as it is no
+longer required.  The testsuite also requires Perl's Data::Dumper module from
+Perl, so chapter05/perl.xml now builds that module.</para></listitem>
 
 <listitem><para>October 22, 2005 [archaic]: Upgrade to m4-1.4.4.</para>
 </listitem>