docs: Update 3.deploy.md (#7)

Author: daleweaver777

docs/content/docs/1.getting-started/3.deploy.md

@@ -96,5 +96,5 @@ npx nuxt dev --remote
 ```
 
 ::warning
-NuxtHub will use the remote data from your deployed project as long as the `NUXT_HUB_PROJECT_SECRET` matches the one in your Cloudflare Pages project settings.
+NuxtHub will use the remote data from your deployed project as long as the `NUXT_HUB_PROJECT_SECRET_KEY` matches the one in your Cloudflare Pages project settings.
 ::