diff --git a/Home.md b/Home.md
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@@ -6,7 +6,7 @@ This does not work. It isn't likely to work any time soon. If you want to learn
 
 What it sets out to be is a Lisp-like system which:
 
-* Can make use (albeit not, at least at first, very efficiently) of machines with at least terrabytes of RAM;
+* Can make use (albeit not, at least at first, very efficiently) of machines with at least [Zettabytes](http://highscalability.com/blog/2012/9/11/how-big-is-a-petabyte-exabyte-zettabyte-or-a-yottabyte.html) of RAM;
 * Can make reasonable use of machines with at least tens of thousands of processors;
 * Can concurrently support significant numbers of concurrent users, all doing different things, without them ever interfering with one another;
 * Can ensure that users cannot escalate privilege;