docs: general updates and fixes (#13374)

* docs: general updates and fixes

* fix lint errors

www/apps/resources/app/commerce-modules/payment/payment-collection/page.mdx

@@ -12,7 +12,7 @@ A payment collection stores payment details related to a resource, such as a car
 
 Every purchase or request for payment starts with a payment collection. The collection holds details necessary to complete the payment, including:
 
-- The [payment sessions](../payment-session/page.mdx) that represents the payment amount to authorize.
+- The [payment sessions](../payment-session/page.mdx) that represent the payment amount to authorize.
 - The [payments](../payment/page.mdx) that are created when a payment session is authorized. They can be captured and refunded.
 - The [payment providers](../payment-provider/page.mdx) that handle the processing of each payment session, including the authorization, capture, and refund.
 
@@ -32,8 +32,6 @@ You can use this to accept payments in increments or split payments across payme
 
 The Cart Module provides cart management features. However, it doesn’t provide any features related to accepting payment.
 
-During checkout, the Medusa application links a cart to a payment collection, which will be used for further payment processing.
-
-It also implements the payment flow during checkout as explained in [this documentation](../payment-flow/page.mdx).
+During checkout, the Medusa application links a cart to a payment collection, which will be used for further payment processing. It also implements the [payment flow](../payment-flow/page.mdx) during checkout.
 
 ![Diagram showcasing the relation between the Payment and Cart modules](https://res.cloudinary.com/dza7lstvk/image/upload/v1711537849/Medusa%20Resources/cart-payment_ixziqm.jpg)