diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 012fd54d4e..d112b445a8 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -13972,6 +13972,39 @@ Reference: <http://www.freebsd.org/ports/portaudit/74a9541d-5d6c-11d8-80e3-00
 		    <entry>9.0-CURRENT after the addition of log2 to
 		      libm.</entry>
 		  </row>
+		  <row>
+		    <entry>900028</entry>
+		    <entry>December 21, 2010</entry>
+		    <entry>9.0-CURRENT after the addition of the Hhook (Helper
+		      Hook), Khelp (Kernel Helpers) and Object Specific Data
+		      (OSD) KPIs.</entry>
+		  </row>
+		  <row>
+		    <entry>900029</entry>
+		    <entry>December 28, 2010</entry>
+		    <entry>9.0-CURRENT after the modification of the TCP stack
+		      to allow Khelp modules to interact with it via helper
+		      hook points and store per-connection data in the TCP
+		      control block.</entry>
+		  </row>
+		  <row>
+		    <entry>900030</entry>
+		    <entry>January 12, 2011</entry>
+		    <entry>9.0-CURRENT after the update of libdialog to version
+		      20100428.</entry>
+		  </row>
+		  <row>
+		    <entry>900031</entry>
+		    <entry>February 7, 2011</entry>
+		    <entry>9.0-CURRENT after the addition of
+		      <function>pthread_getthreadid_np(3)</function>.</entry>
+		  </row>
+		  <row>
+		    <entry>900032</entry>
+		    <entry>February 8, 2011</entry>
+		    <entry>9.0-CURRENT after the removal of the uio_yield
+		      prototype and symbol.</entry>
+		  </row>
 		</tbody>
 	      </tgroup>
 	    </table>