diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 8a476f096e..ad3e8a950d 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -3009,6 +3009,14 @@ PLIST_SUB=      OCTAVE_VERSION=${OCTAVE_VERSION}</programlisting>
 		    <entry>450001</entry>
 		  </row>
 
+		  <row>
+		    <entry>4.5-STABLE after the
+		      <literal>sendmail_enable</literal> &man.rc.conf.5;
+		      variable was made to take the value
+		      <literal>NONE</literal>.</entry>
+		    <entry>450004</entry>
+		  </row>
+
 
 		  <row>
 		    <entry>5.0-CURRENT</entry>