diff --git a/reference/amqp/amqpexchange/publish.xml b/reference/amqp/amqpexchange/publish.xml
index e0f0a5eb56..69bfc4f52d 100644
--- a/reference/amqp/amqpexchange/publish.xml
+++ b/reference/amqp/amqpexchange/publish.xml
@@ -107,7 +107,7 @@
           </row>
           <row>
            <entry><emphasis>expiration</emphasis></entry>
-           <entry></entry>
+           <entry>time in milliseconds</entry>
            <entry>NULL</entry>
           </row>
           <row>
@@ -120,6 +120,11 @@
            <entry></entry>
            <entry>NULL</entry>
           </row>
+          <row>
+           <entry><emphasis>headers</emphasis></entry>
+           <entry>custom attributes to pass along with message</entry>
+           <entry>array</entry>
+          </row>          
          </tbody>
         </tgroup>
        </table>