diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 0c1424d635..d707673ea4 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -4846,6 +4846,12 @@ PLIST_SUB=      OCTAVE_VERSION=${OCTAVE_VERSION}</programlisting>
 		    <entry>500038</entry>
 		  </row>
 
+		  <row>
+		    <entry>5.0-CURRENT after headers stopped using
+		      _BSD_FOO_T_ and started using _FOO_T_DECLARED.</entry>
+		    <entry>500039</entry>
+		  </row>
+
                 </tbody>
               </tgroup>
             </informaltable>