diff --git a/en_US.ISO8859-1/books/faq/book.sgml b/en_US.ISO8859-1/books/faq/book.sgml
index b4d7eaeb95..2c757e20e7 100644
--- a/en_US.ISO8859-1/books/faq/book.sgml
+++ b/en_US.ISO8859-1/books/faq/book.sgml
@@ -6178,16 +6178,16 @@ options    SYSVMSG          # enable for messaging</programlisting>
 
       <qandaentry>
         <question id="root-acl">
-          <para>Why is su bugging me about not being in
+          <para>Why is &man.su.1; bugging me about not being in
             <username>root</username>'s ACL?</para>
         </question>
 
         <answer>
 
-          <para>The error comes from the Kerberos distributed
+          <para>The error comes from the <application>Kerberos</application> distributed
             authentication system.  The problem is not fatal but annoying.
-            You can either run su with the -K option, or uninstall
-            Kerberos as described in the next question.</para>
+            You can either run su with the <option>-K</option> option, or uninstall
+            <application>Kerberos</application> as described in the next question.</para>
         </answer>
       </qandaentry>