Merge pull request #2 from DevExpress-Examples/geumjaLee-patch-1

Update README.md

Author: natakazakova

README.md

@@ -1,5 +1,4 @@
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@@ -10,6 +9,9 @@ This Blazor Server application uses the [Word Processing Document API](https://w
 
 ![Word Processing - Final App](./images/word-processing-blazor-final-app.png)
 
+> [!Important]  
+> The Universal Subscription or an additional Office File API Subscription is required to use this example in production code. For pricing information, please refer to the [DevExpress Subscription](https://www.devexpress.com/Subscriptions/) page. 
+
 To run the application, you need to install or restore the following NuGet packages:
 
 * [DevExpress.Document.Processor](https://nuget.devexpress.com/packages/DevExpress.Document.Processor/) - Contains the [DevExpress Office File API](https://www.devexpress.com/products/net/office-file-api/) libraries.