diff --git a/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml b/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
index ab33e020d3..a7ed80a730 100644
--- a/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
+++ b/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
@@ -509,6 +509,15 @@
 	      the correct thread event when resuming.
 	      (<revnumber>r325028</revnumber>).</entry>
 	  </row>
+
+	  <row>
+	    <entry>1200053</entry>
+	    <entry><revnumber>r325506</revnumber></entry>
+	    <entry>November 7, 2017</entry>
+	    <entry>12.0-CURRENT after changing struct mbuf layout to add
+	      optional hardware timestamps for receive packets.
+	      (<revnumber>r325506</revnumber>).</entry>
+	  </row>
 	</tbody>
       </tgroup>
     </table>