updated kyb info (#76)

Author: JamesLawton

sdk/web/guides/checkout.mdx

@@ -17,7 +17,7 @@ We have an integrated checkout flow that you can leverage by installing the dedi
 </Frame>
 
 <Note>
-In order to enable credit card payments for checkout, please get in touch with the Sequence team as your contract address will need to be allowlisted. Credit card payments only work on mainnet.
+In order to enable credit card payments for checkout, please get in touch with the Sequence team as your contract address will need to be allowlisted and go through a KYB process for your organization. Credit card payments only work on various networks mainnets
 </Note>
 
 # Installation and Setup