Update config-for-magento-2.md

Author: poespas

docs/hypernode-deploy/applications/config-for-magento-2.md

@@ -70,5 +70,5 @@ If you add these folders be aware that your new folders will be empty on your fi
 ```
 
 ```php
-$configuration->addSharedFile('var/reports');
+$configuration->addSharedFolder('var/reports');
 ```