Correct typo in readme

Author: davidgilbertson

README.md

@@ -13,7 +13,7 @@ And maybe one day about other things too.
 3. Before running in dev mode for the very first time, you must do a build (`npm run build`)
 4. `npm run dev` to start up the webpack dev server, then head to `localhost:8080`
 5. `npm run build` to build the production bundles
-6. `npm start` to start in production mode, also at `localhost:8080`. Not that this
+6. `npm start` to start in production mode, also at `localhost:8080`. Note that this
 is hosted as a static site, so the production build just starts a very simple little NodeJS server.
 
 ## Planned stuff