Windows-itpro-docs: typo

[HjoshM]

Press and for hold 5s => Press and hold for 5s

---

Document Details

⚠ Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.

• ID: aa9cc734-aea5-0908-39a0-ebe924a6ae74
• Version Independent ID: 0f900a81-0196-e3f1-d64b-2cd8aaf45c1e
• Content: Prepare a new HoloLens 2
• Content Source: devices/hololens/hololens2-setup.md
• Product: hololens
• Technology: windows
• GitHub Login: @scooley
• Microsoft Alias: scooley

[mypil]

@HjoshM - PR #5743 has been created to fix and close this issue once the PR is merged.

Thank you and we appreciate your contribution to make the docs better!

[RAJU2529]

@mypil. Great Job