Merge pull request #273264 from chen-karen/patch-3

Update multi-region-replication.md

Author: prmerger-automator[bot]

articles/key-vault/managed-hsm/multi-region-replication.md

@@ -86,7 +86,7 @@ The following regions are supported as primary regions (Regions where you can re
 - US West Central
 
 > [!NOTE]
-> US Central, US East, West US 2, Switzerland North, West Europe, Central India, Canada Central, Canada East, Japan West, Qatar Central, Poland Central and US West Central cannot be extended as a secondary region at this time. Other regions may be unavailable for extension due to capacity limitations in the region.
+> US Central, US East, US South Central, West US 2, Switzerland North, West Europe, Central India, Canada Central, Canada East, Japan West, Qatar Central, Poland Central and US West Central cannot be extended as a secondary region at this time. Other regions may be unavailable for extension due to capacity limitations in the region.
 
 ## Billing