diff --git a/Home.md b/Home.md
index 6324439..554cc2c 100644
--- a/Home.md
+++ b/Home.md
@@ -1,6 +1,6 @@
 Work towards the implementation of a software system like that described in [Post Scarcity Software](http://blog.journeyman.cc/2006/02/post-scarcity-software.html).
 
-# AWFUL WARNING
+# AWFUL WARNING 1
 
 This does not work. It isn't likely to work any time soon. If you want to learn Lisp, don't start here; try Clojure, Scheme or Common Lisp (in which case I recommend Steel Bear Common Lisp). If you want to learn how Lisp works, still don't start here. This isn't ever going to be anything like a conventional Lisp environment.
 
@@ -18,6 +18,10 @@ When Linus Torvalds sat down in his bedroom to write Linux, he had something usa
 * Linus was trying to build a clone of something which already existed and was known to work. Nothing like what I'm aiming for exists.
 * Linus was able to adopt the GNU user space stack. There is no user space stack for this idea; I don't even know what one would look like.
 
+# AWFUL WARNING 2
+
+This project is necessarily experimental and exploratory. I write code, it reveals new problems, I think about them, and I mutate the design. The documentation in this wiki does not always keep up with the developing source code.
+
 # Contents
 
 * [[plan overview]]
@@ -25,6 +29,7 @@ When Linus Torvalds sat down in his bedroom to write Linux, he had something usa
 * [[memory management]]
 * [[cons space]]
 * [[vector space]]
+* [[parallelism]]
 * [[core functions]]
 * [[system-private functions]]
 * [[other really tricky bits]]