diff --git a/app/controllers/cart_controller.rb b/app/controllers/cart_controller.rb
index 4be930cc12..658ef2e2f5 100644
--- a/app/controllers/cart_controller.rb
+++ b/app/controllers/cart_controller.rb
@@ -11,7 +11,7 @@ class CartController < BaseController
     Spree::Adjustment.without_callbacks do
       cart_service = CartService.new(order)
 
-      cart_service.populate(params.slice(:products, :variants, :quantity), true)
+      cart_service.populate(params.slice(:variants, :quantity), true)
       if cart_service.valid?
         order.update_distribution_charge!
         order.cap_quantity_at_stock!
diff --git a/app/services/cart_service.rb b/app/services/cart_service.rb
index cecde9deec..35dcb720f0 100644
--- a/app/services/cart_service.rb
+++ b/app/services/cart_service.rb
@@ -1,5 +1,7 @@
 require 'open_food_network/scope_variant_to_hub'
 
+# Previously Spree::OrderPopulator. Modified to work with max_quantity and variant overrides.
+
 class CartService
   attr_accessor :order, :currency
   attr_reader :variants_h