Merge pull request #203246 from Clare-Zheng82/0629-Update_connector-amazon-simple-storage-service_doc

Update Amazon Simple Storage Service doc

Author: PRMerger4

articles/data-factory/connector-amazon-simple-storage-service.md

@@ -8,7 +8,7 @@ ms.service: data-factory
 ms.subservice: data-movement
 ms.topic: conceptual
 ms.custom: synapse
-ms.date: 04/01/2022
+ms.date: 06/29/2022
 ---
 
 # Copy and transform data in Amazon Simple Storage Service using Azure Data Factory or Azure Synapse Analytics
@@ -88,7 +88,7 @@ The following properties are supported for an Amazon S3 linked service:
 | accessKeyId | ID of the secret access key. |Yes |
 | secretAccessKey | The secret access key itself. Mark this field as a **SecureString** to store it securely, or [reference a secret stored in Azure Key Vault](store-credentials-in-key-vault.md). |Yes |
 | sessionToken | Applicable when using [temporary security credentials](https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp.html) authentication. Learn how to [request temporary security credentials](https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#api_getsessiontoken) from AWS.<br>Note AWS temporary credential expires between 15 minutes to 36 hours based on settings. Make sure your credential is valid when activity executes， especially for operationalized workload - for example, you can refresh it periodically and store it in Azure Key Vault.<br>Mark this field as a **SecureString** to store it securely, or [reference a secret stored in Azure Key Vault](store-credentials-in-key-vault.md). |No |
-| serviceUrl | Specify the custom S3 endpoint `https://<service url>`. | No |
+| serviceUrl | Specify the custom S3 endpoint `https://<service url>`.<br>Change it only if you want to try a different service endpoint or want to switch between https and http.| No |
 | connectVia | The [integration runtime](concepts-integration-runtime.md) to be used to connect to the data store. You can use the Azure integration runtime or the self-hosted integration runtime (if your data store is in a private network). If this property isn't specified, the service uses the default Azure integration runtime. |No |