Minor readme tweak

Author: aaronpowell

README.md

@@ -17,7 +17,7 @@ This repository provides a comprehensive toolkit for enhancing GitHub Copilot wi
 
 ## MCP Server
 
-To make it easy to add these customizations to your editor, we have created a [MCP Server](https://developer.microsoft.com/blog/announcing-awesome-copilot-mcp-server) that provides a prompt for searching and installing prompts, instructions, and chat modes directly from this repository.
+To make it easy to add these customizations to your editor, we have created a [MCP Server](https://developer.microsoft.com/blog/announcing-awesome-copilot-mcp-server) that provides a prompt for searching and installing prompts, instructions, and chat modes directly from this repository. You'll need to have Docker installed and running to run the server.
 
 [![Install in VS Code](https://img.shields.io/badge/VS_Code-Install-0098FF?logo=visualstudiocode&logoColor=white)](https://aka.ms/awesome-copilot/mcp/vscode) [![Install in VS Code Insiders](https://img.shields.io/badge/VS_Code_Insiders-Install-24bfa5?logo=visualstudiocode&logoColor=white)](https://aka.ms/awesome-copilot/mcp/vscode-insiders)