diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 4bf3883804..c0e6fdf70e 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -5297,6 +5297,12 @@ PLIST_SUB=      OCTAVE_VERSION=${OCTAVE_VERSION}</programlisting>
 		    <entry>470100</entry>
 		  </row>
 
+		  <row>
+		    <entry>4.7-STABLE after MFC of mbuf changes to replace
+		       m_aux mbufs by m_tag's</entry>
+		    <entry>470102</entry>
+		  </row>
+
 		  <row>
 		    <entry>Start generated __std{in,out,err}p references rather
 		      than __sF.  This changes std{in,out,err} from a