Fix typo in MASWE-0049.md

[hucenxz]

This PR closes #issue_number

Description

Briefly describe what changed and why. Reference the related issue where applicable.

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Contributor Checklist

• I have read and understood the contributing guidelines.
• I followed the project style guide.
• I validated the technical correctness of my changes and understand the topic.
• This PR adds clear value and is not spam or low-effort content.

Relevant documentation.

• General Contributing Guidelines
• Style Guide
• Instructions for new MAS components

Contributors are expected to understand basic git and GitHub workflows, including forks, branches, commits, and pull requests. The project does not provide training. Pull requests that do not meet these minimum requirements may be closed without review.