Updates README with demo link.
diff --git a/README.md b/README.md
index 807617a..a41870d 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,10 @@
 This is a standalone version of the [dartdoc][dartdoc] markdown library. It 
 parses markdown and converts it to HTML.
 
+You can see a demo running in the browser [here][demo] (tested in Chrome 
+and Dartium). The client library currently only supports HTML syntax 
+highlighting do to some dart:io dependencies in libcss and analyzer_experimental.
+
 Installation
 ------------
 
@@ -45,5 +49,6 @@
 }
 ```
 
-[dartdoc]: https://github.com/d2m/dartdoc
-[pub]: http://www.dartlang.org/docs/pub-package-manager/
+[dartdoc]: http://code.google.com/p/dart/source/browse/trunk/dart/sdk/lib/_internal/dartdoc
+[pub]: http://www.dartlang.org/docs/pub-package-manager
+[demo]: http://dpeek.github.com/dart-markdown