Cleans up some grammar

[jasonseminara]

Fixes up some grammar and makes it clearer.

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Description

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Fixes # (issue)

Type of change

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• [ ] 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

Screenshots/Sandbox (if appropriate/relevant):

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How Has This Been Tested?

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• [ ] Test A
• [ ] Test B

Test Environment:

• OS:
• @graphql-mesh/...:
• NodeJS:

Checklist:

• [ ] I have followed the CONTRIBUTING doc and the style guidelines of this project
• [ ] I have performed a self-review of my own code
• [ ] 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 added tests that prove my fix is effective or that my feature works, and I have added a changeset using yarn changeset that bumps the version
• [ ] New and existing unit tests and linter rules pass locally with my changes
• [ ] Any dependent changes have been merged and published in downstream modules

Further comments

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