diff --git a/dashboard/README.md b/dashboard/README.md
index 86eff77d6..b14e0c617 100644
--- a/dashboard/README.md
+++ b/dashboard/README.md
@@ -81,7 +81,7 @@ Set `public_url` to be the URL for the IP / DNS of the OpenFaaS Cloud.
 
 Set `cookie_root_domain` when using auth.
 
-Example with domain `o6s.io`:
+Example with domain `.system.o6s.io`:
 
 ```
 cookie_root_domain: ".system.o6s.io"
diff --git a/dashboard/dashboard_config.yml b/dashboard/dashboard_config.yml
index 99fbfdd42..ef66909eb 100644
--- a/dashboard/dashboard_config.yml
+++ b/dashboard/dashboard_config.yml
@@ -9,4 +9,6 @@ environment:
   # Comment out if not using public pretty-URL
   pretty_url: https://user.o6s.io/function
   # Comment out if not using public pretty-URL
-  query_pretty_url: 'true'
\ No newline at end of file
+  query_pretty_url: 'true'
+  # Cookie root domain, set is using OAuth, used to remove a user's cookie
+  cookie_root_domain: 'system.o6s.io'
\ No newline at end of file