diff --git a/usr.sbin/sysinstall/dist.c b/usr.sbin/sysinstall/dist.c
index 62dbdb9b85b1..7a674cca4d19 100644
--- a/usr.sbin/sysinstall/dist.c
+++ b/usr.sbin/sysinstall/dist.c
@@ -392,7 +392,7 @@ distMaybeSetPorts(dialogMenuItem *self)
     dialog_clear_norefresh();
     if (!msgYesNo("Would you like to install the FreeBSD ports collection?\n\n"
 		  "This will give you ready access to over 5800 ported software packages,\n"
-		  "at a cost of around 70MB of disk space when \"clean\" and possibly\n"
+		  "at a cost of around 100MB of disk space when \"clean\" and possibly\n"
 		  "much more than that when a lot of the distribution tarballs are loaded\n"
 		  "(unless you have the extra discs available from a FreeBSD CD/DVD distribution\n"
 		  "and can mount them on /cdrom, in which case this is far less of a problem).\n\n"