Update README.md

README.md

@@ -65,6 +65,8 @@ MAILER_SERVICE_PROVIDER=SparkPost
 BASE_URL=yourdomain.com
 ```
 
+Currenty we are using Raven and Sentry [https://www.getsentry.com](https://www.getsentry.com) for error logging. To use it you must provide a valid private DSN key in your .env file and a public DSN key in app/views/layout.index.html
+
 Create this directory or you will get errors.
 
 ```
@@ -76,6 +78,7 @@ Edit the 'env' config in gruntfile.js to make sure your .env file is being used.
 To run development version:
 
 ```$ grunt default```
+
 To run production version:
 
 ```$ grunt production```