docs: fix README example

[A11Might]

Motivation and Context

How Has This Been Tested?

Breaking Changes

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Documentation
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have added or updated documentation as needed

Additional context

[findleyr]

Thank you. Please also update internal/readme/README.src.md.

[findleyr]

Thanks again for raising this. In case you don't get to this soon, I made #63 updating the internal/readme source (I want to fix this before the weekend).

[findleyr]

Closing as I did this in #63. Thanks.