diff --git a/en_US.ISO8859-1/books/handbook/install/chapter.sgml b/en_US.ISO8859-1/books/handbook/install/chapter.sgml
index b9ca4070e7..947f733b11 100644
--- a/en_US.ISO8859-1/books/handbook/install/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/install/chapter.sgml
@@ -2680,7 +2680,7 @@ Mounting root from ufs:/dev/md0c
  Would you like to install the FreeBSD ports collection? 
 
  This will give you ready access to over &os.numports; ported software packages,
- at a cost of around 165MB of disk space when "clean" and possibly much
+ at a cost of around &ports.size; of disk space when "clean" and possibly much
  more than that if a lot of the distribution tarballs are loaded
  (unless you have the extra CDs from a FreeBSD CD/DVD distribution
  available and can mount it on /cdrom, in which case this is far less