diff --git a/chapter08/diffutils.xml b/chapter08/diffutils.xml
index 8889077d5..2ffb9fa8c 100644
--- a/chapter08/diffutils.xml
+++ b/chapter08/diffutils.xml
@@ -79,8 +79,7 @@
       <varlistentry id="cmp">
         <term><command>cmp</command></term>
         <listitem>
-          <para>Compares two files and reports whether or in which bytes they
-          differ</para>
+          <para>Compares two files and reports any differences byte by byte</para>
           <indexterm zone="ch-system-diffutils cmp">
             <primary sortas="b-cmp">cmp</primary>
           </indexterm>