fix a couple of typos

[github-actions[bot]]

Files changed:

• src/current/v23.2/architecture/transaction-layer.md
• src/current/v23.2/read-committed.md
• src/current/v24.1/architecture/transaction-layer.md
• src/current/v24.1/read-committed.md
• src/current/v24.2/architecture/transaction-layer.md
• src/current/v24.2/read-committed.md
• src/current/v24.3/architecture/transaction-layer.md
• src/current/v24.3/read-committed.md

[netlify[bot]]

✅ Deploy Preview for cockroachdb-interactivetutorials-docs canceled.

Name	Link
🔨 Latest commit	fa5d2956abb197cf48f2bf3e50899cf4e2172bc3
🔍 Latest deploy log	https://app.netlify.com/sites/cockroachdb-interactivetutorials-docs/deploys/673f719d11e29c0008e6081d

[netlify[bot]]

✅ Deploy Preview for cockroachdb-api-docs canceled.

Name	Link
🔨 Latest commit	fa5d2956abb197cf48f2bf3e50899cf4e2172bc3
🔍 Latest deploy log	https://app.netlify.com/sites/cockroachdb-api-docs/deploys/673f719d3cdac000081a3968

[netlify[bot]]

✅ Netlify Preview

Name	Link
🔨 Latest commit	fa5d2956abb197cf48f2bf3e50899cf4e2172bc3
🔍 Latest deploy log	https://app.netlify.com/sites/cockroachdb-docs/deploys/673f719d976cad0008d326b6
😎 Deploy Preview	https://deploy-preview-19166--cockroachdb-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.