diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 7194a8a5ed..c2bb59c731 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -7767,6 +7767,11 @@ Reference: <http://www.freebsd.org/ports/portaudit/74a9541d-5d6c-11d8-80e3-00
 		    <entry>5.4-STABLE after branching for RELENG_5_4</entry>
 		    <entry>504100</entry>
 		  </row>
+		  <row>
+		    <entry>5.4-STABLE after increasing the default
+		      thread stacksizes</entry>
+		    <entry>504101</entry>
+		  </row>
 		  <row>
 		    <entry>6.0-CURRENT</entry>
 		    <entry>600000</entry>