Added performance notice.

index.html

@@ -239,7 +239,7 @@ <h2>Beautiful IDE for Node.JS</h2>
 		<br>
 		<h2>Try it out!</h2>
 		<div class="description">
-			<p>An online installation of nide is available <a href="http://the-restless.nko2.nodeknockout.com">here</a> for demonstration purposes.</p>
+			<p>An online installation of nide is available <a href="http://the-restless.nko2.nodeknockout.com">here</a> for demonstration purposes. <small>Note: Depending on the server load it might not respond. If so, try again later or try doing a local install. (Nide was not designed to handle hundreds of simultaneous users.)</small></p>
 			<p>You can install nide locally by using the following command (requires Node.js and NPM):</p>
 			<pre>    sudo npm install -g nide</pre>
 			<p>After that, you can create a new project steping into an empty folder and typing:<p>