Index: head/en_US.ISO8859-1/books/handbook/jails/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/handbook/jails/chapter.xml
+++ head/en_US.ISO8859-1/books/handbook/jails/chapter.xml
@@ -1374,6 +1374,18 @@
 
 	  <screen>&prompt.root; <userinput>mergemaster -U -D /usr/jails/<replaceable>jailname</replaceable></userinput></screen>
 	</example>
+
+	<tip>
+	  <para>After a major version update it is recommended by
+	    <package>sysutils/ezjail</package> to make sure your
+	    <command>pkg</command> is of the correct version.
+	    Therefore enter:</para>
+
+	    <screen>&prompt.root; <userinput>pkg-static upgrade -f pkg</userinput></screen>
+
+	  <para>to upgrade or downgrade to the appropriate
+	    version.</para>
+	</tip>
       </sect3>
 
       <sect3 xml:id="jails-ezjail-update-ports">