Fix spelling error in docs

[maryamkhan20]

Summary

There is a minor spelling error on the page describing TypeScript use ("your" instead of "you"). This PR fixes it.

Requirements (place an x in each [ ])

• [x] I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• [x] I've read and agree to the Code of Conduct.

[salesforce-cla[bot]]

Thanks for the contribution! Before we can merge this, we need @maryamkhan20 to sign the Salesforce Inc. Contributor License Agreement.

[misscoded]

Hi @maryamkhan20! Thanks for fixing this for us 🙂 If you can kindly sign the CLA, we can get this merged!