diff --git a/docs/configuration.md b/docs/configuration.md
index 44735f6ad..2192d5039 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -22,6 +22,15 @@ In order of precedence Errbit uses:
ERRBIT_ENFORCE_SSL
When enabled, Errbit forces all traffic over https
defaults to false
+ERRBIT_ADMIN_EMAIL
+E-Mail address of initial admin user
+defaults to `errbit@example.com`
+ERRBIT_ADMIN_PASSWORD
+Password of initial admin user
+defaults to some random string (see output of `$ rake db:seed`)
+ERRBIT_ADMIN_USER
+Username of initial admin user
+defaults to `errbit`
ERRBIT_CONFIRM_ERR_ACTIONS
Present confirmation dialogs when users act on errors
defaults to true