Clarify Azure Search unsupported data types

Author: linda33wj

articles/data-factory/connector-azure-search.md

@@ -12,7 +12,7 @@ ms.workload: data-services
 ms.tgt_pltfrm: na
 
 ms.topic: conceptual
-ms.date: 08/01/2019
+ms.date: 09/13/2019
 ms.author: jingwang
 ---
 
@@ -161,7 +161,7 @@ Azure Search service supports writing documents as a batch. A batch can contain
 ]
 ```
 
-### Data type support
+## Data type support
 
 The following table specifies whether an Azure Search data type is supported or not.
 
@@ -176,5 +176,7 @@ The following table specifies whether an Azure Search data type is supported or
 | String Array | N |
 | GeographyPoint | N |
 
+Currently other data types e.g. ComplexType are not supported. For a full list of Azure Serach supported data type, see [Supported data types (Azure Search)](https://docs.microsoft.com/rest/api/searchservice/supported-data-types).
+
 ## Next steps
 For a list of data stores supported as sources and sinks by the copy activity in Azure Data Factory, see [supported data stores](copy-activity-overview.md##supported-data-stores-and-formats).