Update convert-to-indicator-values.md

Author: aysegulyigitbi

articles/machine-learning/component-reference/convert-to-indicator-values.md

@@ -17,6 +17,8 @@ This article describes a component of Azure Machine Learning designer.
 
 Use the **Convert to Indicator Values** component in Azure Machine Learning designer to convert columns that contain categorical values into a series of binary indicator columns.  
 
+The **Convert to Indicator Values** operation enables the conversion of categorical data into indicator values represented by binary or multiple values. This process is one of the data preprocessing steps often used for classification models.
+
 This component also outputs a definition of the transformation used to convert to indicator values. You can reuse this transformation on other datasets that have the same schema, by using the [Apply Transformation](apply-transformation.md) component.
 
 ## How to configure Convert to Indicator Values