Merge pull request #32957 from MashaMSFT/fixes1

Cross-linking cert info

Author: prmerger-automator[bot]

azure-sql/managed-instance/doc-changes-updates-release-notes-whats-new.md

@@ -126,7 +126,7 @@ Learn about significant changes to the Azure SQL Managed Instance documentation.
 | Changes | Details |
 | --- | --- |
 | **CURRENT_DATE Transact-SQL GA** | The `CURRENT_DATE` Transact-SQL (T-SQL) function returns the current database system date as a date value, without the database time and time zone offset. This function is now generally available. For more information, see [CURRENT_DATE (Transact-SQL)](/sql/t-sql/functions/current-date-transact-sql). |
-| **JSON native data type preview** | The new [**JSON** native data type](/sql/t-sql/data-types/json-data-type) and is currently in preview. For more information, see [JSON Type and aggregates preview](https://aka.ms/json-type-aggregates-public-preview). Your SQL managed instance must be configured with the [Always-up-to-date update policy](update-policy.md#always-up-to-date-update-policy).|
+| **JSON native data type preview** | The new [**JSON** native data type](/sql/t-sql/data-types/json-data-type) is currently in preview. For more information, see [JSON Type and aggregates preview](https://aka.ms/json-type-aggregates-public-preview). Your SQL managed instance must be configured with the [Always-up-to-date update policy](update-policy.md#always-up-to-date-update-policy).|
 | **JSON aggregate functions preview** | Two new **JSON** aggregate functions [JSON_OBJECTAGG and JSON_ARRAYAGG](/sql/relational-databases/json/json-data-sql-server#json-data-from-aggregates) enable construction of JSON objects or arrays based on an aggregate from SQL data. For more information, see [JSON Type and aggregates preview](https://aka.ms/json-type-aggregates-public-preview). Your SQL managed instance must be configured with the [the Always-up-to-date update policy](update-policy.md#always-up-to-date-update-policy).|
 | **Fail over link with T-SQL preview** | You can now fail over a [Managed Instance link](managed-instance-link-feature-overview.md) by using Transact-SQL (T-SQL) commands. This capability is currently in preview starting with [SQL Server 2022 CU13 (KB5036432)](/troubleshoot/sql/releases/sqlserver-2022/cumulativeupdate13). To learn more, review [fail over a database](managed-instance-link-failover-how-to.md?tabs=tsql#fail-over-a-database). |
 

azure-sql/managed-instance/managed-instance-link-troubleshoot-how-to.md

@@ -194,6 +194,10 @@ ALTER AVAILABILITY GROUP [<DAGName>] FAILOVER
 GO 
 ```
 
+## Expired certificate
+
+It's possible for the certificate used for the link to expire. If the certificate expires, the link fails. To resolve this issue, [rotate the certificate](managed-instance-link-best-practices.md#rotate-certificate). 
+
 ## Test network connectivity
 
 [!INCLUDE [azure-sql-managed-instance-link-check-network](../includes/sql-managed-instance/azure-sql-managed-instance-link-check-network.md)]