fix incorrect directory reference

README.md

@@ -114,7 +114,7 @@ You'll also need to [install Node.js](http://nodejs.org/); then, install the ser
 
 Once Node.js and the dependencies are installed, run the following command from the root directory:
 
-		node lib/slidenotes
+		node plugin/slidenotes
 
 By default, the slides will be served at [localhost:1947](http://localhost:1947).
 

index.html

@@ -321,6 +321,7 @@ <h3 class="inverted">BY Hakim El Hattab / hakim.se</h3>
 			} );
 
 			// If we're runnning the notes server we need to include some additional JS
+			// TODO Is there a better way to determine if we're running the notes server?
 			if( window.location.host === 'localhost:1947' ) {
 				head.js( 'socket.io/socket.io.js', 'plugin/slidenotes/client.js' );
 			}