[Foundations] Variables and Operators: Fix typo

[ProfShibe]

Because

Fixes a typo. "Try edit the text" doesn't make sense in English. It should be "Try editing the text" or "Try to edit the text". It immediately threw me off, and would for others too, especially those not as well acquainted with English.

This PR

• Simply rewords a string

Issue

This PR does not close an open issue, it just addresses an unnoticed/unreported typo.

Additional Information

N/A

Pull Request Requirements

• I have thoroughly read and understand The Odin Project curriculum contributing guide
• The title of this PR follows the location of change: brief description of change format, e.g. Intro to HTML and CSS lesson: Fix link text
• The Because section summarizes the reason for this PR
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