diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index bd6a533282..37274c8497 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -13187,6 +13187,13 @@ Reference: <http://www.freebsd.org/ports/portaudit/74a9541d-5d6c-11d8-80e3-00
 		    <entry>8.0-CURRENT after the introduction of vnet
 		      destructor hooks and infrastructure.</entry>
 		  </row>
+		  <row>
+		    <entry>800097</entry>
+		    <entry>June 11, 2009</entry>
+		    <entry>8.0-CURRENT after the introduction of netgraph
+		      outbound to inbound path call detection and queuing,
+		      which also changed the layout of struct thread.</entry>
+		  </row>
 		</tbody>
 	      </tgroup>
 	    </table>