Fixed: typo in docs/essential/route.md

Fixed the code snippet demo1 to be consistent with the interactive window of demo1.

Author: foofybuster

docs/essential/route.md

@@ -52,8 +52,8 @@ We can define a route by calling a **method named after HTTP verbs**, passing a
 import { Elysia } from 'elysia'
 
 new Elysia()
-    .get('/', () => 'Landing')
-    .get('/hello', () => 'Hi')
+    .get('/', () => 'hello')
+    .get('/hello', () => 'hi')
     .listen(3000)
 ```