Fixed docs on init usage

docs/guide/tutorial-advanced-app.md

@@ -40,7 +40,7 @@ the installed application. You only need to do these once for all.
     Otherwise, in production execute `init` in non-interactive mode.
 
     ```
-    php /path/to/yii-application/init --env=prod overwrite=n
+    php /path/to/yii-application/init --env=Production overwrite=All
     ```
 
 2. Create a new database and adjust the `components.db` configuration in `common/config/main-local.php` accordingly.