Update Santander Corporate account connection information

Clarified the status of Santander Corporate accounts and updated the API version information.

Author: pzaichkina

docs/integrations/banking/truelayer/faqs-about-truelayer.md

@@ -41,4 +41,6 @@ In layman terms, Codat will retrieve as much data as possible following authenti
 
 ## Why can customers no longer connect their Santander Corporate accounts? 
 
-As of March 2026, Santander have upgraded to V4 of the Open Banking standards. As a result of this, TrueLayer now no longer support Santander Corporate. You can read their developer update [HERE](https://support.truelayer.com/hc/en-us/articles/43554236309905-Migration-of-all-Santander-endpoints-to-V4-of-Open-Banking-Spec). End Users who had previously connected Santander Corporate accounts to Codat, via TrueLayer, are no longer be able to relink these accounts. Please see TrueLayer's guide to requesting new banking providers [HERE](https://support.truelayer.com/hc/en-us/articles/4522101928593-How-do-I-request-banking-providers-to-be-added-to-TrueLayer-s-network).
+As of **March 2026**, Santander have upgraded their API to version 4 of the Open Banking standards. As a result, [TrueLayer have announced](https://support.truelayer.com/hc/en-us/articles/43554236309905-Migration-of-all-Santander-endpoints-to-V4-of-Open-Banking-Spec) they no longer support connections to Santander Corporate accounts. 
+
+Santander Corporate accounts previously connected to Codat via TrueLayer can no longer be relinked. See TrueLayer's [How do I request banking providers to be added to TrueLayer's network?](https://support.truelayer.com/hc/en-us/articles/4522101928593-How-do-I-request-banking-providers-to-be-added-to-TrueLayer-s-network) guide on requesting banking providers to be added.