Fix typo in federated_settings_org_configs documentation

[florenp]

Description

Please include a summary of the fix/feature/change, including any relevant motivation and context.

Link to any related issue(s):

Type of change:

• 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 not work as expected)
• This change requires a documentation update
• Documentation fix/enhancement

Required Checklist:

• I have signed the MongoDB CLA
• I have read the Terraform contribution guidelines
• I have added tests that prove my fix is effective or that my feature works per HashiCorp requirements
• I have added any necessary documentation (if appropriate)
• I have run make fmt and formatted my code

Further comments

[themantissa]

@florenp thank you for the PR fix - could you sign our contributor agreement: https://www.mongodb.com/legal/contributor-agreement?

[florenp]

@themantissa Contributor agreement signed.

[themantissa]

Thank you @florenp! Will merge and it will go out with our next release.

[themantissa]

LGTM!