diff --git a/share/sgml/freebsd.ent b/share/sgml/freebsd.ent
index 31d3a3950e..7bfbeea412 100644
--- a/share/sgml/freebsd.ent
+++ b/share/sgml/freebsd.ent
@@ -29,6 +29,7 @@
 
 <!-- Number of ports in the ports tree -->
 <!ENTITY os.numports "7,600">
+<!ENTITY ports.size "170&nbsp;MB">
 
 <!-- GUI-buttons -->
 <!ENTITY gui.ok "<guibutton>[&nbsp;OK&nbsp;]</guibutton>">