diff --git a/chapter05/changingowner.xml b/chapter05/changingowner.xml
index b927c36bf..96a15b027 100644
--- a/chapter05/changingowner.xml
+++ b/chapter05/changingowner.xml
@@ -41,7 +41,7 @@
   can be deleted once the LFS system has been finished, it can be retained to build
   additional LFS systems <emphasis>of the same book version</emphasis>. How best
   to backup <filename class="directory">$LFS/tools</filename> is a matter of
-  personal preference and is left as an exercise for the reader.</para>
+  personal preference.</para>
 
   <caution>
     <para>If you intend to keep the temporary tools for use in building future LFS