Tweak end of front page.

doc/index.md

@@ -77,9 +77,11 @@ I no longer work for Google. Cap'n Proto is not affiliated with Google or any ot
 
 **_OK, how do I get started?_**
 
-At this time, Cap'n Proto is not ready for production use.  If you'd like to help it get there,
-let us know on the [discussion group](https://groups.google.com/group/capnproto).  If you'd just
-like to know when it's ready, add yourself to the
+At this time, Cap'n Proto is not ready for production use.  Feel free to
+[play around with the code and run the benchmarks](install.html), but note that it's incomplete
+and buggy.  If you'd like to help hack on Cap'n Proto, such as by writing bindings in other
+languages, let us know on the [discussion group](https://groups.google.com/group/capnproto).  If
+you'd just like to know when it's ready, add yourself to the
 [announcement list](https://groups.google.com/group/capnproto-announce).
 
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