--- a/cv.dtd	Sun Jan 14 22:15:25 2007 -0500
+++ b/cv.dtd	Sun Sep 06 22:13:01 2015 -0400
@@ -12,7 +12,7 @@
 <!ELEMENT identification (%individu.class;)>
 <!ATTLIST identification %common.attrib;>
 <!-- work declaration -->
-<!ELEMENT work (organism,post+)>
+<!ELEMENT work (organism,description?,post+,description?)>
 <!ATTLIST work %common.attrib;>
 <!ELEMENT post (title?,supervisor?,duration,description)>
 <!ATTLIST post %common.attrib;>