README.md in devise_masquerade-1.3.12 vs README.md in devise_masquerade-2.0.0

@@ -175,9 +175,13 @@
     Devise.masqueraded_resource_class = User
     # optional: Devise.masqueraded_resource_class_name = 'User'
 
     # optional, default: masqueraded_resource_class.model_name.param_key
     Devise.masqueraded_resource_name = :user
+
+    # optional, default: masquerade_storage_method = :session
+    # values: :session, :cache
+    Devise.masquerade_storage_method = :session
 ```
 
 ## Demo project
 
     cd spec/dummy