Merge pull request #223914 from jonels-msft/azure-storage-pg-13

Note pg13+ required for azure_storage

Author: prmerger-automator[bot]

articles/cosmos-db/postgresql/howto-ingest-azure-blob-storage.md

@@ -6,7 +6,7 @@ author: mulander
 ms.service: cosmos-db
 ms.subservice: postgresql
 ms.topic: how-to
-ms.date: 11/28/2022
+ms.date: 01/13/2023
 ---
 
 # How to ingest data using pg_azure_storage
@@ -30,6 +30,11 @@ extension in your database:
 SELECT * FROM create_extension('azure_storage');
 ``` 
 
+> [!IMPORTANT]
+>
+> The pg_azure_storage extension is available only on Azure Cosmos DB for
+> PostgreSQL clusters running PostgreSQL 13 and above.
+
 We've prepared a public demonstration dataset for this article. To use your own
 dataset, follow [migrate your on-premises data to cloud
 storage](../../storage/common/storage-use-azcopy-migrate-on-premises-data.md)