cloud9.md in webpacker-4.0.0.pre.pre.1

- old
+ new

@@ -81,10 +81,10 @@
   overlay: true
   disable_host_check: true
   use_local_ip: false
 ```
 
-into these custom configuration:
+into the these custom configuration:
 
 ```yaml
 dev_server:
   https: true
   host: localhost