Update build-register-apis-vscode-extension.md

Links to GH Copilot for Azure

Author: dlepow

articles/api-center/build-register-apis-vscode-extension.md

@@ -28,7 +28,7 @@ The following Visual Studio Code extensions are needed for the specified scenari
 * [GitHub Actions](https://marketplace.visualstudio.com/items?itemName=GitHub.vscode-github-actions) - to register APIs using a CI/CD pipeline with GitHub Actions
 * [Azure Pipelines](https://marketplace.visualstudio.com/items?itemName=ms-azure-devops.azure-pipelines) - to register APIs using a CI/CD pipeline with Azure Pipelines
 * [GitHub Copilot](https://marketplace.visualstudio.com/items?itemName=GitHub.copilot) - to generate OpenAPI specification files from API code
-* [GitHub Copilot for Azure](https://marketplace.visualstudio.com/items?itemName=ms-azuretools.vscode-azure-github-copilot) - to generate OpenAPI specification files using the Azure API Center Plugin for GitHub Copilot for Azure
+* [GitHub Copilot for Azure](https://marketplace.visualstudio.com/items?itemName=ms-azuretools.vscode-azure-github-copilot) - to generate OpenAPI specification files using the Azure API Center Plugin for [GitHub Copilot for Azure](/azure/developer/github-copilot-azure/introduction) (preview)
 
 [!INCLUDE [vscode-extension-setup](includes/vscode-extension-setup.md)]  
 
@@ -66,7 +66,7 @@ After generating the OpenAPI specification file and checking for accuracy, you c
 
 ## Generate OpenAPI spec using natural language prompts
 
-The API Center plugin for [GitHub Copilot for Azure](https://marketplace.visualstudio.com/items?itemName=ms-azuretools.vscode-azure-github-copilot) helps you design new APIs starting from natural language prompts. With AI assistance, quickly generate an OpenAPI spec for API development that complies with your organization's standards.
+The API Center plugin for [GitHub Copilot for Azure](https://marketplace.visualstudio.com/items?itemName=ms-azuretools.vscode-azure-github-copilot) (preview) helps you design new APIs starting from natural language prompts. With AI assistance, quickly generate an OpenAPI spec for API development that complies with your organization's standards.
 
 > [!NOTE]
 > This feature is available in the pre-release version of the API Center extension.
@@ -98,4 +98,5 @@ The API Center plugin for [GitHub Copilot for Azure](https://marketplace.visuals
 * [Discover and consume APIs with the Azure API Center extension for Visual Studio Code](discover-apis-vscode-extension.md)
 * [Govern APIs with the Azure API Center extension for Visual Studio Code](govern-apis-vscode-extension.md)
 * [Enable and view platform API catalog in Visual Studio Code](enable-platform-api-catalog-vscode-extension.md)
+* [Overview of GitHub Copilot for Azure](/azure/developer/github-copilot-azure/introduction)