Updated article for DPL new features (R2 release)

Author: DKaramfilov

controls/pdfprocessing/overview.md

@@ -36,7 +36,7 @@ The document model of the library provides support for:
 
 * [**Form XObjects**](https://docs.telerik.com/devtools/document-processing/libraries/radpdfprocessing/model/form): The Form XObjects enables you to describe composite objects (consisting of text, images, vector elements, etc.) within a PDF file and reuse this content among the document, for smaller document size and better rendering performance.
 
-* [**Interactive Forms**](https://docs.telerik.com/devtools/document-processing/libraries/radpdfprocessing/model/interactive-forms/overview): Create and modify PDF files containing textboxes, buttons, listboxes and other interactive controls making available for the PDF file user to interactively fill some data in the PDF document and/or digitally sign the filled document.
+* [**Interactive Forms**](https://docs.telerik.com/devtools/document-processing/libraries/radpdfprocessing/model/interactive-forms/overview): Create and modify PDF files containing textboxes, buttons, listboxes and other interactive controls making available for the PDF file user to interactively fill some data in the PDF document and/or digitally sign the filled document. You can flatten the fields as well.
 
 * [**Digital Signature**](https://docs.telerik.com/devtools/document-processing/libraries/radpdfprocessing/features/digital-signature): The digital signature feature enables you to sign and validate PDF document.