Adjust man-db sed to work with 2.7.6.1

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11194 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/man-db.xml

@@ -102,7 +102,7 @@
 
     <para>Remove a reference to a non-existent user:</para>
 
-<screen><userinput remap="install">sed -i "s:man root:root root:g" /usr/lib/tmpfiles.d/man-db.conf</userinput></screen>
+<screen><userinput remap="install">sed -i "s:man man:root root:g" /usr/lib/tmpfiles.d/man-db.conf</userinput></screen>
 
   </sect2>