Fix typo in MTP doc

[cuichenx]

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Changelog

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Additional Information

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Summary by CodeRabbit

• Documentation
  • Updated code examples in the training documentation to use consistent parameter naming conventions.

[coderabbitai]

📝 Walkthrough

Walkthrough

Documentation update replacing historical config parameter naming with canonical cfg variable name in multi-token prediction configuration code examples.

Changes

Cohort / File(s)	Summary
Documentation Updates docs/training/multi-token-prediction.md	Renamed parameter from config to cfg in pretrain function calls within code examples (2 occurrences).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• [docs] add MTP guide #2138 — Touches the same documentation file with related example updates.

Suggested labels

docs-only

Suggested reviewers

• yaoyu-33

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Fix typo in MTP doc' directly and accurately describes the main change: correcting parameter name references (config to cfg) in the MTP documentation file.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Test Results For Major Changes	✅ Passed	Documentation typo fix correcting parameter names from 'config' to 'cfg' in MTP code examples. Minor change with no runtime impact.

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✨ Finishing touches

🧪 Generate unit tests (beta)

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• Commit unit tests in branch chcui/mtp_typo

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