fix: typo

[debghs]

Fixed a minor punctuation related typo.

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

Learn Build status updates of commit 44695d6:

:bulb: Validation status: suggestions

File	Status	Preview URL	Details
WSL/about.md	:bulb:Suggestion	View	Details

WSL/about.md

• Line 33, Column 1: [Suggestion: inaccessible-video-section] Video title is missing. Consider providing a video title.
• Line 45, Column 1: [Suggestion: inaccessible-video-section] Video title is missing. Consider providing a video title.

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[debghs]

Hey maintainers, would this PR be merged ?

[mattwojo]

Thank you!