fix readme

Author: jonasborges-stark

README.md

@@ -50,10 +50,10 @@ is as easy as sending a text message to your client!
     - [CorporateBalance](#get-your-corporatebalance): View your corporate balance
     - [CorporateTransactions](#query-corporatetransactions): View the transactions that have affected your corporate balance
     - [CorporateEnums](#corporate-enums): Query enums related to the corporate purchases, such as merchant categories, countries and card purchase methods
-    - [MerchantCard](#query-merchantcard): The Merchant Card resource stores information about cards used in approved purchases. These cards can be used in new purchases without the need to create a new session.
-    - [MerchantSession](#create-a-merchantsession): The Merchant Session allows you to create a session prior to a purchase. Sessions are essential for defining the parameters of a purchase, including funding type, expiration, 3DS, and more.
-    - [MerchantPurchase](#create-a-merchantpurchase): The Merchant Purchase resource can be used to charge customers with credit or debit cards. If a card hasn't been used before, a Merchant Session Purchase must be created and approved with that specific card before it can be used directly in a Merchant Purchase.
-    - [MerchantInstallment](#query-merchantinstallment): Merchant Installments are created for every installment in a purchase. These resources will track its own due payment date and settlement lifecycle.    
+    - [MerchantCard](#query-merchantcards): Stores information about approved purchase cards for reuse.
+    - [MerchantSession](#create-a-merchantsession): Manages a session to create a purchase with a new card.
+    - [MerchantPurchase](#create-a-merchantpurchase): Allows a merchant to charge their customers using debit or credit cards
+    - [MerchantInstallment](#query-merchantinstallments): Tracks the lifecycle of purchase installments
     - [Webhooks](#create-a-webhook-subscription): Configure your webhook endpoints and subscriptions
     - [WebhookEvents](#process-webhook-events): Manage webhook events
     - [WebhookEventAttempts](#query-failed-webhook-event-delivery-attempts-information): Query failed webhook event
@@ -4090,7 +4090,7 @@ func main() {
 
 ```
 
-## Query MerchantCard
+## Query MerchantCards
 
 The Merchant Card resource stores information about cards used in approved purchases.
 These cards can be used in new purchases without the need to create a new session.
@@ -4348,7 +4348,7 @@ func main() {
 }
 ```
 
-## Query MerchantInstallment
+## Query MerchantInstallments
 
 Merchant Installments are created for every installment in a purchase.
 These resources will track its own due payment date and settlement lifecycle.