Fix a few typos

[learn-build-service-prod[bot]]

Learn Build status updates of commit 6a767da:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
TerminalDocs/customize-settings/actions.md	:white_check_mark:Succeeded	View
TerminalDocs/customize-settings/appearance.md	:white_check_mark:Succeeded	View
TerminalDocs/customize-settings/profile-advanced.md	:white_check_mark:Succeeded	View
TerminalDocs/customize-settings/profile-appearance.md	:white_check_mark:Succeeded	View
TerminalDocs/customize-settings/profile-general.md	:white_check_mark:Succeeded	View
TerminalDocs/customize-settings/themes.md	:white_check_mark:Succeeded	View
TerminalDocs/custom-terminal-gallery/theme-gallery.md	:white_check_mark:Succeeded	View
TerminalDocs/install.md	:white_check_mark:Succeeded	View
TerminalDocs/tips-and-tricks.md	:white_check_mark:Succeeded	View
TerminalDocs/tutorials/progress-bar-sequences.md	:white_check_mark:Succeeded	View
TerminalDocs/tutorials/shell-integration.md	:white_check_mark:Succeeded	View

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[mattwojo]

Thanks for the review and typo fixes @Blake-Madden !!!