minor updates
diff --git a/docs/index.html b/docs/index.html
index 990bf1a..9b3c717 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -8,7 +8,8 @@
<H1>Main Documentation</H1>
<UL>
<LI><A HREF="README">README</A> - general, top-level documentation
-<LI><A HREF="INSTALL">INSTALL</A> - compilation/installation instructions
+<LI><A HREF="INSTALL">INSTALL</A> - compilation/installation instructions for
+ Unix/X11
<LI><A HREF="VERSIONS">VERSIONS</A> - version history / change log
<LI><A HREF="COPYRIGHT">COPYRIGHT</A> - copyright and license information
<LI><A HREF="COPYING">COPYING</A> - some parts of Mesa are GPL'd