Update how-to-access-data.md

update an error in the doc

Author: MayMSFT

articles/machine-learning/how-to-access-data.md

@@ -146,7 +146,7 @@ If your file share is in virtual network, include the parameter  `skip_validatio
 
 #### Azure Data Lake Storage Generation 2
 
-For an Azure Data Lake Storage Generation 2 (ADLS Gen 2) datastore, use [register_azure_data_lake_gen2()](https://docs.microsoft.com/python/api/azureml-core/azureml.core.datastore.datastore?view=azure-ml-py#register-azure-data-lake-gen2-workspace--datastore-name--filesystem--account-name--tenant-id--client-id--client-secret--resource-url-none--authority-url-none--protocol-none--endpoint-none--overwrite-false-) to register a credential datastore connected to an Azure DataLake Gen 2 storage with [service principal permissions](https://docs.microsoft.com/azure/active-directory/develop/howto-create-service-principal-portal). In order to utilize your service principal you need to [register your application](https://docs.microsoft.com/azure/active-directory/develop/app-objects-and-service-principals) and grant the service principal with *Storage Blob Data Owner* access. Learn more about [access control set up for ADLS Gen 2](https://docs.microsoft.com/azure/storage/blobs/data-lake-storage-access-control). 
+For an Azure Data Lake Storage Generation 2 (ADLS Gen 2) datastore, use [register_azure_data_lake_gen2()](https://docs.microsoft.com/python/api/azureml-core/azureml.core.datastore.datastore?view=azure-ml-py#register-azure-data-lake-gen2-workspace--datastore-name--filesystem--account-name--tenant-id--client-id--client-secret--resource-url-none--authority-url-none--protocol-none--endpoint-none--overwrite-false-) to register a credential datastore connected to an Azure DataLake Gen 2 storage with [service principal permissions](https://docs.microsoft.com/azure/active-directory/develop/howto-create-service-principal-portal). In order to utilize your service principal you need to [register your application](https://docs.microsoft.com/azure/active-directory/develop/app-objects-and-service-principals) and grant the service principal with *Storage Blob Data Reader* access. Learn more about [access control set up for ADLS Gen 2](https://docs.microsoft.com/azure/storage/blobs/data-lake-storage-access-control). 
 
 In order to utilize your service principal you need to [register your application](https://docs.microsoft.com/azure/active-directory/develop/app-objects-and-service-principals) and grant the service principal with the right data access. Learn more about [access control set up for ADLS Gen 2](https://docs.microsoft.com/azure/storage/blobs/data-lake-storage-access-control).