Fix capitalization of the file name and minor edits

[sdwheeler]

Fix capitalization of the file name and minor edits

• Fixes AB#433885

[learn-build-service-prod]

Learn Build status updates of commit 519dc58:

✅ Validation status: passed

File	Status	Preview URL	Details
dsc/dsc-2.0/PSDesiredStateConfiguration/Get-DscResource.md	✅Succeeded	View (dsc-2.0)
dsc/dsc-2.0/PSDesiredStateConfiguration/New-DscCheckSum.md	✅Succeeded	View (dsc-2.0)
dsc/dsc-2.0/PSDesiredStateConfiguration/New-DSCCheckSum.md	✅Succeeded	n/a (file deleted or renamed)
dsc/dsc-2.0/PSDesiredStateConfiguration/PSDesiredStateConfiguration.md	✅Succeeded	View (dsc-2.0)
dsc/dsc-3.0/PSDesiredStateConfiguration/Get-DscResource.md	✅Succeeded	View (dsc-3.0)
dsc/dsc-3.0/PSDesiredStateConfiguration/New-DscChecksum.md	✅Succeeded	View (dsc-3.0)
dsc/dsc-3.0/PSDesiredStateConfiguration/PSDesiredStateConfiguration.md	✅Succeeded	View (dsc-3.0)

For more details, please refer to the build report.

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