diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 8916923f0a..19b036dd50 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -7652,6 +7652,10 @@ Reference: <http://www.freebsd.org/ports/portaudit/74a9541d-5d6c-11d8-80e3-00
600009
+
+ 6.0-CURRENT after importing OpenBSD's nc(1).
+ 600010
+