Update data-flow-tutorials.md

Author: kromerm

articles/data-factory/data-flow-tutorials.md

@@ -28,7 +28,7 @@ As updates are constantly made to the product, some features have added or diffe
 
 [Monitor and manage mapping data flow performance](https://www.youtube.com/watch?v=fktIWdJiqTk)
 
-[Benchmark timings](http://youtu.be/xxIIaMU_2nE?hd=1)
+[Benchmark timings](http://youtu.be/6CSbWm4lRhw?hd=1)
 
 ## Transformation overviews