Update Readme.md

Co-authored-by: Armina LaManna <arminal@devexpress.com>

Author: geumjaLee

Readme.md

@@ -16,7 +16,8 @@ This example demonstrates the use of the [Word Processing Document API](https://
 ## Implementation Details
 
 
-Word Processing Document API allows you to perform mail merge with master-detail templates. The ``TableStart:Name`` and ``TableEnd:Name`` merge fields define master and detail regions. The region name should match the group or table name in your data source. 
+Word Processing Document API allows you to perform a mail merge with master-detail templates. The ``TableStart:Name`` and ``TableEnd:Name`` merge fields define master and detail regions. The region name should match the group or table name in your data source. 
+
 
  Call the [RichEditDocumentServer.CreateMailMergeOptions()](https://docs.devexpress.com/OfficeFileAPI/DevExpress.XtraRichEdit.RichEditDocumentServer.CreateMailMergeOptions) method to create a new [MailMergeOptions](https://docs.devexpress.com/OfficeFileAPI/DevExpress.XtraRichEdit.API.Native.MailMergeOptions) object. This object contains mail merge options. Specify the object's [DataSource](https://docs.devexpress.com/OfficeFileAPI/DevExpress.XtraRichEdit.RichEditMailMergeOptions.DataSource) property to set the mail merge database. This example uses sample `NWind` data converted to a flat JSON database file.
 
@@ -36,10 +37,10 @@ Word Processing Document API allows you to perform mail merge with master-detail
 * [How to Automate Mail Merge: Generate, Populate, and Export Documents](https://github.com/DevExpress-Examples/word-document-api-mail-merge)
 
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