Update data-flow-pivot.md

Author: kromerm

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

@@ -53,7 +53,7 @@ The Pivot transformation will produce new column names that are dynamic based on
 
 ### Generate a new model from dynamic columns
 
-Pivot generates new column names dynamically based on row values. You can turn those new columns into metadata that can be referenced later in your data flow. To do this, click on the Data Preivew tab. All new columns generated by the your Pivot transformation appear with a "drifted" icon in the table header. Click on the "Map drifted" button to turn those new columns into metadata, making them part of your data flow's model.
+Pivot generates new column names dynamically based on row values. You can turn those new columns into metadata that can be referenced later in your data flow. To do this, click on the Data Preview tab. All new columns generated by the your Pivot transformation appear with a "drifted" icon in the table header. Click on the "Map drifted" button to turn those new columns into metadata, making them part of your data flow's model.
 
 ![Pivot columns](media/data-flow/newpivot1.png "Map drifted Pivot columns")