Fix broken link

Author: jonburchel

articles/data-factory/includes/data-flow-preamble.md

@@ -7,4 +7,4 @@ ms.date: 09/24/2021
 ms.author: susabat
 ms.reviewer: jburchel
 ---
-Data flows are available both in Azure Data Factory and Azure Synapse Pipelines. This article applies to mapping data flows. If you are new to transformations, please refer to the introductory article [Transform data using a mapping data flow](tutorial-data-flow.md).
+Data flows are available both in Azure Data Factory and Azure Synapse Pipelines. This article applies to mapping data flows. If you are new to transformations, please refer to the introductory article [Transform data using a mapping data flow](../tutorial-data-flow.md).