diff --git a/backend.js b/backend.js
index 2ae9234..9b1a3ac 100644
--- a/backend.js
+++ b/backend.js
@@ -4,12 +4,6 @@ const app = express();
 
 app.use(express.static(__dirname));
 
-app.use((req, res, next) => {
-  res.header('Access-Control-Allow-Origin', '*');
-  res.header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
-  res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
-  next();
-});
 
 
 app.listen(3000, () =>  {
diff --git a/index.html b/index.html
index 65ff06a..adbf7d9 100644
--- a/index.html
+++ b/index.html
@@ -65,7 +65,7 @@
             <script>
             const input = document.getElementById('input');
             input.addEventListener('keydown', function(event) {
-                if (event.code == 'Enter'){
+                if (event.keyCode === 13){
                     convert_input();
                 }
             })