update prerequisites

Author: blva

README.md

@@ -32,15 +32,13 @@ A Model Context Protocol server for interacting with MongoDB Atlas. This project
 
 ## Installation
 
+Common prerequisites:
 
+- Node.js v20.x
+- A MongoDB connection string or Atlas API credentials
 
 ### WindSurf
 
-Prerequisites:
-
-- Node.js v20.x
-- WindSurf installed on your machine
-
 The latest instructions can be found at https://docs.windsurf.com/windsurf/mcp
 
 Step 1: Create MCP configuration file
@@ -66,10 +64,6 @@ Step 2: Follow the [configuration](#configuration) section for more details on h
 
 ### VSCode
 
-Prerequisites:
-
-- Node.js v20.x
-
 Step 1: Add the mcp server to VSCode configuration
 
 - Press `Cmd + Shift + P` and type `MCP: Add MCP Server` and select it.