FLUT-929221-[others][flutter]: Addressed the review suggestions

Author: KompelliSravanSyncfusion

README.md

@@ -4,7 +4,7 @@ This repository contains a sample to implement the custom border shape for messa
 
 Please refer the KB through this [link](https://support.syncfusion.com/agent/kb/18701).
 
-## Syncfusion widgets: <sup>&reg;</sup>
+## Syncfusion widgets:<sup>&reg;</sup>
 
 This project used the following Syncfusion widget(s):
 * [Chat](https://www.syncfusion.com/flutter-widgets/flutter-chat)

pubspec.yaml

@@ -1,5 +1,5 @@
 name: flutter_chat_custom_message_border_shape
-description: "Syncfusion <sup>&reg;</sup> flutter SfChat custom message border shape"
+description: "Syncfusion flutter SfChat custom message border shape"
 
 version: 1.0.0+1