Added a note that this file is incorrect for 2.1a2.
diff --git a/Mac/Demo/building.html b/Mac/Demo/building.html
index a24b86e..716de8b 100644
--- a/Mac/Demo/building.html
+++ b/Mac/Demo/building.html
@@ -6,6 +6,9 @@
<H1>Building Mac Python from source</H1>
<HR>
+<B>Note</B>: This document is still for Python 2.0. It is wildly incorrect.
+<p>
+
This document explains how to build MacPython from source. This is
necessary if you want to make modifications to the Python core. Building
Python is not something to be undertaken lightly, you need a reasonable