diff --git a/engines/order_management/app/services/order_management/order/stripe_sca_payment_authorize.rb b/engines/order_management/app/services/order_management/order/stripe_sca_payment_authorize.rb
index 99e0854243..8e135c2fc3 100644
--- a/engines/order_management/app/services/order_management/order/stripe_sca_payment_authorize.rb
+++ b/engines/order_management/app/services/order_management/order/stripe_sca_payment_authorize.rb
@@ -1,5 +1,10 @@
 # frozen_string_literal: true
 
+# Note: "off-session" processing happens when a payment is placed on behalf of a user when
+# they are currently offline. This can happen with backoffice orders or subscriptions.
+# In that case; if the payment requires authorization in Stripe, we send an email so the user
+# can authorize it later (asynchronously).
+
 module OrderManagement
   module Order
     class StripeScaPaymentAuthorize