clarify bigquery prereqs for ccm (#38330)

Author: ashleyyip

content/en/cloud_cost_management/allocation/bigquery.md

@@ -52,7 +52,7 @@ The following table presents the list of collected features and the minimal requ
 | Feature | Requirements |
 |---|---|
 | Retrieve tags from labels of a query | GCP CCM costs must be setup. Supported without monitoring or reservations. |
-| Query-Level Cost Attribution | BigQuery monitoring enabled |
+| Query-Level Cost Attribution | BigQuery monitoring enabled with Data Observability |
 | Reservation Cost Allocation | BigQuery reservations configured |
 
 1. Configure the Google Cloud Cost Management integration on the [Cloud Cost Setup page][4].
@@ -197,7 +197,7 @@ Learn more about [BigQuery storage and best practices][11].
 [2]: https://cloud.google.com/bigquery/pricing
 [3]: https://cloud.google.com/bigquery/docs/best-practices-performance-overview
 [4]: /cloud_cost_management/setup/google_cloud/
-[5]: /integrations/google-cloud-bigquery/
+[5]: /data_observability/quality_monitoring/data_warehouses/bigquery/
 [6]: https://cloud.google.com/bigquery/docs/reservations-get-started
 [7]: https://cloud.google.com/bigquery/docs/reservations-intro
 [8]: https://console.cloud.google.com