Add missing [Shift] in key binding

[carlos-zamora]

Shift was missing from these two key bindings. Minor oversight.

[opbld33]

Docs Build status updates of commit b01d6a4:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
TerminalDocs/selection.md	:white_check_mark:Succeeded	View

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[mattwojo]

Looks good. Thanks!