diff --git a/xep.dtd b/xep.dtd
index fd70c3a0..f3306dd4 100644
--- a/xep.dtd
+++ b/xep.dtd
@@ -114,7 +114,7 @@ THE SOFTWARE.
 <!ELEMENT dl (di+) >
 <!ELEMENT di ( dt, dd ) >
 <!ELEMENT dt (#PCDATA)* >
-<!ELEMENT dd (#PCDATA | p | link | note | tt | em | strong | cite | span)* >
+<!ELEMENT dd (#PCDATA | p | link | note | tt | em | strong | cite | span | code | example | ul | ol )* >
 <!ELEMENT img EMPTY>
 <!ATTLIST img
   src CDATA ''
@@ -139,6 +139,7 @@ THE SOFTWARE.
           rowspan CDATA '' >
 <!ELEMENT td (#PCDATA | p | link | note | tt | em | strong | cite | span | code | ul | ol)* >
 <!ATTLIST td
+          align   CDATA ''
           colspan CDATA ''
           rowspan CDATA '' >
 <!ELEMENT tt (#PCDATA | link | em | string)* >