Update readme.md

Author: brauliodiez

readme.md

@@ -34,7 +34,7 @@ Are you interested in contributing into this project? If that's the case don't h
 2. Download this repo
 5. Open the command line of your choice and cd to the root directory of this repo on your machine  
 6. `npm install` - Installs packages
-7. `npm start` - Builds the project and launch a lite web server (webpack-devserver).
+7. `npm start` - Builds the project and launch a lite web server (webpack-dev-server).
 8. Navigate to [http://localhost:8080/](http://localhost:8080/) if your browser doesn't open automatically.
 
 # samples