diff --git a/config/config.yml.example b/config/config.yml.example
index 1ff22de3..a79b051e 100644
--- a/config/config.yml.example
+++ b/config/config.yml.example
@@ -1,10 +1,10 @@
 defaults: &defaults
   # The sender address of emails
-  devise_mail_sender: no-reply@localhost
+  devise_mail_sender: "no-reply@localhost"
   # The hostname to be used when building the URL in the emails
-  url_for_emails: localhost:3000
+  url_for_emails: "localhost:3000"
   # A secret key. You can generate one with 'rake secret'
-  devise_secret_key: 12345 
+  devise_secret_key: '12345' 
   # errbit configuration, get your own instance: https://github.com/errbit/errbit
   #errbit_key: 123456789101112131415
   #errbit_host: errbit.exmaple.com