diff --git a/OPENAPI_VERSION b/OPENAPI_VERSION
index dcf158c1c..caaaa3cf0 100644
--- a/OPENAPI_VERSION
+++ b/OPENAPI_VERSION
@@ -1 +1 @@
-v1518
\ No newline at end of file
+v1520
\ No newline at end of file
diff --git a/lib/Service/PaymentMethodDomainService.php b/lib/Service/PaymentMethodDomainService.php
index ff61e2370..0e2a12b3b 100644
--- a/lib/Service/PaymentMethodDomainService.php
+++ b/lib/Service/PaymentMethodDomainService.php
@@ -73,14 +73,14 @@ public function update($id, $params = null, $opts = null)
     }
 
     /**
-     * Some payment methods such as Apple Pay require additional steps to verify a
-     * domain. If the requirements weren’t satisfied when the domain was created, the
-     * payment method will be inactive on the domain. The payment method doesn’t appear
-     * in Elements for this domain until it is active.
+     * Some payment methods might require additional steps to register a domain. If the
+     * requirements weren’t satisfied when the domain was created, the payment method
+     * will be inactive on the domain. The payment method doesn’t appear in Elements or
+     * Embedded Checkout for this domain until it is active.
      *
      * To activate a payment method on an existing payment method domain, complete the
-     * required validation steps specific to the payment method, and then validate the
-     * payment method domain with this endpoint.
+     * required registration steps specific to the payment method, and then validate
+     * the payment method domain with this endpoint.
      *
      * Related guides: <a
      * href="/docs/payments/payment-methods/pmd-registration">Payment method