diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index ce91a63ae3..33748f849c 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -7382,6 +7382,19 @@ Reference: <http://www.freebsd.org/ports/portaudit/74a9541d-5d6c-11d8-80e3-00
 		    </entry>
 		    <entry>600001</entry>
 		  </row>
+		  <row>
+		    <entry>6.0-CURRENT after initial addition of
+		      ifi_epoch to struct if_data.  Backed out after a
+		      few days.  Do not use this value.
+		    </entry>
+		    <entry>600002</entry>
+		  </row>
+		  <row>
+		    <entry>6.0-CURRENT after the re-addition of the
+		      ifi_epoch member of struct if_data.
+		    </entry>
+		    <entry>600003</entry>
+		  </row>
 		</tbody>
 	      </tgroup>
 	    </table>