Index: en_US.ISO8859-1/books/handbook/jails/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/handbook/jails/chapter.xml
+++ en_US.ISO8859-1/books/handbook/jails/chapter.xml
@@ -1313,14 +1313,34 @@
 	  updates have the same limitations as if
 	  &man.freebsd-update.8; were being run directly.  The most
 	  important one is that only -RELEASE versions of &os; are
-	  available with this method.  To update the basejail to the
-	  latest patched release of the version of &os; on the host
-	  computer, use:</para>
+	  available with this method.</para>
+	
+	<para>Update the basejail to the latest patched release of
+	  the version of &os; on the host.  For example, updating from
+	  RELEASE-p1 to RELEASE-p2.</para>
+
+	<screen>&prompt.root; <userinput>ezjail-admin update -u</userinput></screen>
+
+	<para>To upgrade the basejail to a new version, first
+	  upgrade the host system as described in <xref
+	    linkend="freebsdupdate-upgrade" />.  Once the host has
+	  been upgraded and rebooted, the basejail can then be
+	  upgraded.  &man.freebsd-update.8; has no way of determining
+	  which version is currently installed in the basejail, so the
+	  original version must be specified.  Use &man.file.1; to
+	  determine the original version in the basejail:</para>
+
+	<screen>&prompt.root; <userinput>file /usr/jails/basejail/bin/sh</userinput>
+/usr/jails/basejail/bin/sh: ELF 64-bit LSB executable, x86-64, version 1 (FreeBSD), dynamically linked (uses shared libs), for FreeBSD 9.3, stripped</screen>
+
+	<para>Now use this information to perform the upgrade from
+	  <literal>9.3-RELEASE</literal> to the current version of
+	  the host system:</para>
 
-	<screen>&prompt.root; <userinput>ezjail-admin update -r</userinput></screen>
+	<screen>&prompt.root; <userinput>ezjail-admin update -U -s <replaceable>9.3-RELEASE</replaceable></userinput></screen>
 
-	<para>After updating the basejail, &man.mergemaster.8; can be
-	  run to update each jail's configuration files.</para>
+	<para>After updating the basejail, &man.mergemaster.8; must
+	  be run to update each jail's configuration files.</para>
 
 	<para>How to use &man.mergemaster.8; depends on the purpose
 	  and trustworthiness of a jail.  If a jail's services or