diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 43423619c..72ef95ea8 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -697,7 +697,8 @@
            <ulink url='&lfs-ticket-root;5330'>#5330</ulink>.</para>
         </listitem>
         <listitem>
-           <para>[bdubbs] - Update to procps-ng-4.0.4. Fixes
+           <para>[bdubbs] - Update to procps-ng-4.0.4 (security fix
+           for 32-bit systems). Fixes
            <ulink url='&lfs-ticket-root;5335'>#5335</ulink>.</para>
         </listitem>
         <listitem>