[IMP] account_customer_wallet: Improve the instructions

Signed-off-by: Carmen Bianca BAKKER <[email protected]>

account_customer_wallet/readme/CONFIGURE.rst

@@ -4,8 +4,8 @@ Setting this up requires a few careful steps:
 - Create an account (Customer Wallet) that is a liability.
 - Create a journal (Customer Wallet). Enable the 'Customer Wallet Journal'
   toggle, set the Bank Account to the previously created account, and in the
-  payment methods (both incoming and outgoing), set the Outstanding Receipts
-  accounts to the previously created account.
+  payment methods (both incoming and outgoing), set the Outstanding Receipts and
+  Outstanding Payments accounts to the previously created account.
 - In the Invoicing settings, set the Customer Wallet Account to the previously
   created account.
 - (Optional) Create a product (Wallet Product), and enable the Wallet Product