Fixed typo in console output on npm start

- HRM => HMR
- updated case

server.js

@@ -27,9 +27,9 @@ compiler.plugin('done', () => {
     // Ensures that we log after webpack printed its stats (is there a better way?)
     setTimeout(() => {
       console.log('\n✓ The bundle is now ready for serving!\n');
-      console.log('  Open in iframe Mode:\t\x1b[33m%s\x1b[0m',  'http://localhost:' + config.port + '/webpack-dev-server/');
-      console.log('  Open in inline Mode:\t\x1b[33m%s\x1b[0m', 'http://localhost:' + config.port + '/\n');
-      console.log('  \x1b[33mHRM is active\x1b[0m. The bundle will automatically rebuild and live-update on changes.')
+      console.log('  Open in iframe mode:\t\x1b[33m%s\x1b[0m',  'http://localhost:' + config.port + '/webpack-dev-server/');
+      console.log('  Open in inline mode:\t\x1b[33m%s\x1b[0m', 'http://localhost:' + config.port + '/\n');
+      console.log('  \x1b[33mHMR is active\x1b[0m. The bundle will automatically rebuild and live-update on changes.')
     }, 350);
   }
   isInitialCompilation = false;