docs/authentication.md in bullet_train-1.1.10 vs docs/authentication.md in bullet_train-1.2.0

@@ -9,5 +9,14 @@
 bin/resolve SessionsController --eject --open
 ```
 
 ## Customizing Views
 You can customize Devise views using the same workflow you would use to customize any other Bullet Train views.
+
+## Disabling Registration
+
+Registration is enabled by default. You can disable registration, allowing signups via an invite code only, by using [Invitation Only Mode](/docs/invitation_only.md)
+
+## Two factor authentication
+
+This feature allows users to add two factor authentication.
+It requires some setup - [Two Factor Authentication](/docs/two-factor-authentication.md)