fix：校正项目内MSR中文文本标注规范的错误

[webSue]

Title of Your Pull Request

Description

前段时间看文档发现可能是因为直接做了格式转换，所以在斜体上出现大量多余*，个别句子的换行位置也不对，可能会引起歧义和误会，所以抽空和msr的文档做了一次整体校验比对

主要修正： 1.错误的斜体表述导致的多余*号 2.换行位置校正

Fixes # (issue)

Type of Change

Please check any relevant options and delete the rest.

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] This change requires a documentation update

How Has This Been Tested?

无需测试，可以和msr的分词标准官方文档做对比

Checklist

Check all items that apply.

• [x] ⚠️Changes must be made on dev branch instead of master
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] My code follows the style guidelines of this project
• [ ] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [ ] I have checked my code and corrected any misspellings

[hankcs]

感谢贡献！的确，该文档是PDF经过OCR而来，存在不少错误。