Merge pull request #221145 from RyanHill-MSFT/issues/102440-cli-command-clarification

(Azure CXP) update cli-linux-acr-aspnetcore.md

Author: prmerger-automator[bot]

articles/app-service/scripts/cli-linux-acr-aspnetcore.md

@@ -73,7 +73,7 @@ This sample script creates a resource group, a Linux App Service plan, and an ap
    az webapp create --name <app_name> --plan AppServiceLinuxDockerPlan --resource-group myResourceGroup --deployment-container-image-name <acr_registry_name>.azurecr.io/<container_name:version>
    ```
 
-1. Configure web app with a custom Docker Container from Azure Container Registry.
+1. Configure an existing web app with a custom Docker Container from Azure Container Registry.
 
    ```bash
    az webapp config container set --resource-group myResourceGroup --name <app_name> --docker-registry-server-url http://<acr_registry_name>.azurecr.io --docker-registry-server-user <registry_user> --docker-registry-server-password <registry_password>