fix typos in deploying.md

[philmillman]

Description

Please include a summary of the changes and the related issue. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• Introducing new feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Link to the relevant updated sections in the Netlify preview

• Link 1: /sdk/serverless-signing/deploying

Checklist:

General

• I have performed a self-review of my code
• I have fixed all grammar issues (can use an AI tool to check), and explanations are in active voice
• I have checked the additions are concise
• Language is consistent with existing documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published (ie. SDK changes, node dependencies)

If I have added a new concept, I have

• included a beginner friendly explanation
• included a basic technical introduction and code sample
• new terms are defined, both in relevant new pages and in the glossary

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
docs-main-v2	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 24, 2024 4:04pm

[netlify]

✅ Deploy Preview for lit-dev-docs ready!

Name	Link
🔨 Latest commit	8195528
🔍 Latest deploy log	https://app.netlify.com/sites/lit-dev-docs/deploys/671a700c021e5e00076f5238
😎 Deploy Preview	https://deploy-preview-377--lit-dev-docs.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.