diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 300f3e2bea..00df832a13 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -5354,6 +5354,12 @@ PLIST_SUB=      OCTAVE_VERSION=${OCTAVE_VERSION}</programlisting>
 		    <entry>480100</entry>
 		  </row>
 
+		  <row>
+                    <entry>4.8-STABLE after realpath(3) has been made
+		      thread-safe</entry>
+		    <entry>480101</entry>
+		  </row>
+
 		  <row>
 		    <entry>5.0-CURRENT</entry>
 		    <entry>500000</entry>