Update README.md

Author: NithyaSivaprakasam

GraphQLAdaptor/README.md

@@ -34,7 +34,7 @@ To run the client-side Syncfusion Grid application, use the following command:
 
 ```bash
 npm install
-npm run dev
+npm run serve
 ```
 
 ![GraphQLAdaptor](../assets/images/adaptor-crud-operation.gif)
@@ -45,4 +45,4 @@ You can also refer the below resources to know more details about Syncfusion Typ
 
 * [Demo](https://ej2.syncfusion.com/demos/#/bootstrap/grid/over-view)
 * [Documentation](https://ej2.syncfusion.com/documentation/grid/getting-started)
-* [GraphQL with Syncfusion DataManager](https://ej2.syncfusion.com/documentation/grid/connecting-to-adaptors/graphql-adaptor)
+* [GraphQL with Syncfusion DataManager](https://ej2.syncfusion.com/documentation/grid/connecting-to-adaptors/graphql-adaptor)