diff --git a/dist/main.html b/dist/main.html
index 4372ba72..98b97903 100644
--- a/dist/main.html
+++ b/dist/main.html
@@ -156,6 +156,11 @@ Edit ./^$/,s/<Table/<table border=0 cellspacing=0 cellpadding=0 width=100%/g
     <table border=0 cellspacing=0 cellpadding=0 width=100%>
       <tr height=10><td width=20><td>
       <tr><td><td>
+        <a href="http://swtch.com/usr/local/plan9/9pm/README">
+          An early version
+        </a>
+        of Plan 9 from User Space for Windows.  Only for reference.
+        <br>
         <a href="http://plan9.bell-labs.com/plan9dist/ureg.html">
           Sean Quinlan's 9pm
         </a> &#8722; a port of an earlier Plan 9 (including <a href="man/man1/sam.html"><i>sam</i>(1)</a>) to Windows