Clarify secondary endpoint support for blob and adls gen2

Author: linda33wj

articles/data-factory/connector-azure-blob-storage.md

@@ -72,7 +72,7 @@ To use storage account key authentication, the following properties are supporte
 | connectVia | The [integration runtime](concepts-integration-runtime.md) to be used to connect to the data store. You can use Azure Integration Runtime or Self-hosted Integration Runtime (if your data store is in a private network). If not specified, it uses the default Azure Integration Runtime. |No |
 
 >[!NOTE]
->Azure Blob secondary endpoint is not supported when using account key authentication. You can use the other authentication types.
+>Secondary Blob Service Endpoint is not supported when using account key authentication. You can use other authentication types.
 
 >[!NOTE]
 >If you were using "AzureStorage" type linked service, it is still supported as-is, while you are suggested to use this new "AzureBlobStorage" linked service type going forward.

articles/data-factory/connector-azure-data-lake-storage.md

@@ -9,13 +9,13 @@ ms.reviewer: douglasl
 ms.service: data-factory
 ms.workload: data-services
 ms.topic: conceptual
-ms.date: 08/06/2019
+ms.date: 08/12/2019
 ms.author: jingwang
 
 ---
 # Copy data to or from Azure Data Lake Storage Gen2 using Azure Data Factory
 
-Azure Data Lake Storage Gen2 is a set of capabilities dedicated to big data analytics built into [Azure Blob storage](../storage/blobs/storage-blobs-introduction.md). You can use it to interface with your data by using both file system and object storage paradigms.
+Azure Data Lake Storage Gen2 (ADLS Gen2) is a set of capabilities dedicated to big data analytics built into [Azure Blob storage](../storage/blobs/storage-blobs-introduction.md). You can use it to interface with your data by using both file system and object storage paradigms.
 
 This article outlines how to copy data to and from Azure Data Lake Storage Gen2. To learn about Azure Data Factory, read the [introductory article](introduction.md).
 
@@ -70,6 +70,9 @@ To use storage account key authentication, the following properties are supporte
 | accountKey | Account key for Data Lake Storage Gen2. Mark this field as a SecureString to store it securely in Data Factory, or [reference a secret stored in Azure Key Vault](store-credentials-in-key-vault.md). |Yes |
 | 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 a self-hosted integration runtime if your data store is in a private network. If this property isn't specified, the default Azure integration runtime is used. |No |
 
+>[!NOTE]
+>Secondary ADLS file system endpoint is not supported when using account key authentication. You can use other authentication types.
+
 **Example:**
 
 ```json