diff --git a/lib/LineItem.php b/lib/LineItem.php
index dfd1b962f..0a413461d 100644
--- a/lib/LineItem.php
+++ b/lib/LineItem.php
@@ -9,8 +9,8 @@
  *
  * @property string $id Unique identifier for the object.
  * @property string $object String representing the object's type. Objects of the same type share the same value.
- * @property null|int $amount_subtotal Total before any discounts or taxes are applied.
- * @property null|int $amount_total Total after discounts and taxes.
+ * @property int $amount_subtotal Total before any discounts or taxes are applied.
+ * @property int $amount_total Total after discounts and taxes.
  * @property string $currency Three-letter <a href="https://www.iso.org/iso-4217-currency-codes.html">ISO currency code</a>, in lowercase. Must be a <a href="https://stripe.com/docs/currencies">supported currency</a>.
  * @property string $description An arbitrary string attached to the object. Often useful for displaying to users. Defaults to product name.
  * @property \Stripe\StripeObject[] $discounts The discounts applied to the line item.