Fix link to demo.allennlp.org page
@@ -57,7 +57,7 @@ visualize in the text output returned by the simple server you set up in the pre
We've [set up a repository](https://github.com/allenai/allennlp-simple-server-visualization) with a
stripped-down version of the code that runs the demo on
-[http://demo.allennlp.org](demo.allennlp.org). Clone that repository and copy the `demo/`
+[demo.allennlp.org](http://demo.allennlp.org). Clone that repository and copy the `demo/`
directory to wherever you want. `cd` to that directory, and run `npm install`, then `npm start`.
That should show a screen in your terminal that says "Compiled successfully!", directing you to
view your demo in a browser at `localhost:3000`. If you go there, you should see a page that says
