docs: clarify mcpServers directory name and add example path

- Emphasize that the directory name is plural (mcpServers not mcpServer)
- Add explicit example showing the correct path structure
- This should help users avoid confusion when placing JSON config files

Generated with [Continue](https://continue.dev)

Co-Authored-By: Continue <[email protected]>

Author: bdougie

docs/customize/deep-dives/mcp.mdx

@@ -63,7 +63,9 @@ For complete setup instructions, troubleshooting, and usage examples, see the [C
 ## Using `.mcp.json` from Claude, Cursor, Cline, etc
 
 <Info>
-If you're coming from another tool that uses `.mcp.json` configuration files (like Claude Desktop, Cursor, or Cline), you can copy those JSON config files directly into your `.continue/mcpServers` directory and Continue will automatically pick them up.
+If you're coming from another tool that uses `.mcp.json` configuration files (like Claude Desktop, Cursor, or Cline), you can copy those JSON config files directly into your `.continue/mcpServers/` directory (note the plural "Servers") and Continue will automatically pick them up.
+
+For example, place your `mcp.json` file at `.continue/mcpServers/mcp.json` in your workspace.
 </Info>
 
 ## How to Configure MCP Servers