Index: head/en_US.ISO8859-1/books/handbook/virtualization/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/handbook/virtualization/chapter.xml
+++ head/en_US.ISO8859-1/books/handbook/virtualization/chapter.xml
@@ -1449,7 +1449,7 @@
 	for the Dom0 integration.  An entry to
 	<filename>/etc/sysctl.conf</filename> disables the limit on
 	how many pages of memory are allowed to be wired.  Otherwise,
-	domU VMs with higher memory requirements will not run.</para>
+	DomU VMs with higher memory requirements will not run.</para>
 
       <screen>&prompt.root; <userinput>sysrc -f /etc/sysctl.conf vm.max_wired=-1</userinput></screen>
 
@@ -1457,8 +1457,8 @@
 	<filename>/etc/login.conf</filename>, setting the
 	<literal>memorylocked</literal> option to
 	<literal>unlimited</literal>.  Otherwise, creating DomU
-	domains may fail with <literal>Cannot allocate
-	  memory</literal> errors.  After making the change to
+	domains may fail with <errorname>Cannot allocate
+	  memory</errorname> errors.  After making the change to
 	<filename>/etc/login.conf</filename>, run
 	<command>cap_mkdb</command> to update the capability database.
 	See <xref linkend="security-resourcelimits"/> for
@@ -1483,8 +1483,8 @@
 	defined.</para>
 
       <screen>&prompt.root; <userinput>sysrc -f /boot/loader.conf hw.pci.mcfg=0</userinput>
-&prompt.root; <userinput>xen_kernel="/boot/xen"</userinput>
-&prompt.root; <userinput>xen_cmdline="dom0_mem=<replaceable>8192M</replaceable> dom0_max_vcpus=<replaceable>4</replaceable> dom0pvh=1 console=com1,vga com1=115200,8n1 guest_loglvl=all loglvl=all"</userinput></screen>
+&prompt.root; <userinput>sysrc -f /boot/loader.conf xen_kernel="/boot/xen"</userinput>
+&prompt.root; <userinput>sysrc -f /boot/loader.conf xen_cmdline="dom0_mem=<replaceable>8192M</replaceable> dom0_max_vcpus=<replaceable>4</replaceable> dom0pvh=1 console=com1,vga com1=115200,8n1 guest_loglvl=all loglvl=all"</userinput></screen>
 
 	<para>Log files that &xen; creates for the Dom0 and DomU VMs
 	  are stored in <filename>/var/log/xen</filename>.  This
@@ -1537,7 +1537,7 @@
 	  that were defined in <filename>/boot/loader.conf</filename>
 	  earlier.  More information can be found in the <link
 	    xlink:href="https://www.xenproject.org/help/documentation.html">&xen;
-	    Documentation</link>.  NDomU guest VMs can now be
+	    Documentation</link>.  DomU guest VMs can now be
 	  created.</para>
       </sect2>
 
@@ -1579,8 +1579,8 @@
   ]
 vnc = 1 <co xml:id="co-xen-vnc"/>
 vnclisten = "0.0.0.0"
-serial="pty"
-usbdevice="tablet"</screen>
+serial = "pty"
+usbdevice = "tablet"</screen>
 
       <para>These lines are explained in more detail:</para>