docs | Update description for SqlBulkCopy.EnableStreaming (#1886)

doc/snippets/Microsoft.Data.SqlClient/SqlBulkCopy.xml

@@ -335,8 +335,12 @@ The following example uses the same <xref:Microsoft.Data.SqlClient.SqlBulkCopy>
 				<format type="text/markdown"><![CDATA[
 
 When <xref:Microsoft.Data.SqlClient.SqlBulkCopy.EnableStreaming> is `true`, <xref:Microsoft.Data.SqlClient.SqlBulkCopy> reads from an <xref:System.Data.IDataReader> object using <xref:System.Data.CommandBehavior.SequentialAccess>,
-optimizing memory usage by using the <xref:System.Data.IDataReader> streaming capabilities. When it's set to false, the <xref:Microsoft.Data.SqlClient.SqlBulkCopy> class loads all the data returned by the
-<xref:System.Data.IDataReader> object into memory before sending it to SQL Server or SQL Azure.
+optimizing memory usage by using the <xref:System.Data.IDataReader> streaming capabilities. Streaming is only applicable to max data types (i.e.
+VARBINARY(MAX), VARCHAR(MAX), NVARCHAR(MAX), and XML). When <xref:Microsoft.Data.SqlClient.SqlBulkCopy.EnableStreaming> is set to false,
+the <xref:Microsoft.Data.SqlClient.SqlBulkCopy> class loads all the data returned by the <xref:System.Data.IDataReader> object into memory before sending it to the server.
+
+> [!NOTE]
+> The main advantage of enabling streaming is reducing memory usage during bulk copy of max data types.
 ]]></format>
 			</remarks>
 		</EnableStreaming>