Remove stray >.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2139 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

appendixa/nettools-desc.xml

@@ -22,7 +22,7 @@ or delete an entry, or to dump the ARP cache.</para></sect4>
 <para>domainname shows or sets the system's NIS/YP domain
 name.</para></sect4>
 
-<sect4><title>hostname></title>
+<sect4><title>hostname</title>
 <para>hostname prints or sets the name of the current host
 system.</para></sect4>