Fix typo.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10204 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter07/introduction.xml

@@ -23,7 +23,8 @@
      </listitem>
   </itemizedlist>
 
-  <para>Second, issues that affect the proper setup of devices diescussed.</para>
+  <para>Second, issues that affect the proper setup of devices are
+  discussed.</para>
 
   <itemizedlist>
      <listitem>