Updated text in MI section for pub preview terms.

Author: shkale-msft

articles/sql-database/sql-database-long-term-retention.md

@@ -75,10 +75,11 @@ If you are using active geo-replication or failover groups as your business cont
 
 Using long term retention with a Azure SQL Database managed instances has the following limitations:
 
-- **Limited public preview** - Only whitelisted subscriptions have access to the LTR feature. 
+- **Limited public preview** - This preview is available to only EA subscriptions and is subject to availability.  
 - [**PowerShell only**](sql-database-managed-instance-long-term-backup-retention-configure.md) - There is currently no Azure portal support. LTR must be enabled using PowerShell. 
 
 
+
 ## Configure long-term backup retention
 
 To learn how to configure long-term retention using the Azure portal or PowerShell, see [Manage Azure SQL Database long-term backup retention](sql-database-long-term-backup-retention-configure.md).