chore(grammar): de-gender the language

[netlify[bot]]

✅ Deploy Preview for speckle-docs ready!

Name	Link
🔨 Latest commit	3a16f58f376312113682b2bdbe18d0f6ff2a4536
🔍 Latest deploy log	https://app.netlify.com/sites/speckle-docs/deploys/65eb6bbed66c520008e0f8af
😎 Deploy Preview	https://deploy-preview-220--speckle-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.