Updated the bookmark in August announcement

Author: niklarin

articles/cosmos-db/postgresql/product-updates.md

@@ -79,7 +79,7 @@ Updates that change cluster internals, such as installing a [new minor PostgreSQ
 * General availability: Citus 12 is now available in [all supported regions](./resources-regions.md) with PostgreSQL 14 and PostgreSQL 15.
     * Check [what's new in Citus 12](https://www.citusdata.com/updates/v12-0/).
     * See [Postgres and Citus version in-place upgrade](./concepts-upgrade.md).
-* Preview: [Microsoft Entra authentication](./concepts-authentication.md#azure-active-directory-authentication-preview) is now supported in addition to Postgres roles.
+* Preview: [Microsoft Entra authentication](./concepts-authentication.md#microsoft-entra-id-authentication) is now supported in addition to Postgres roles.
 * Preview: Azure CLI is now supported for all Azure Cosmos DB for PostgreSQL management operations.
     * See [details](/cli/azure/cosmosdb/postgres).