docs: Update 3.deploy.md (nuxt-hub#6)

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

@@ -81,11 +81,11 @@ Once the deployment is done, NuxtHub should be ready to use in your deployed pro
 
 To enable remote storage in your self-hosted project, you need to create a secret key.
 
-1. Set the `NUXT_HUB_PROJECT_SECRET` environment variable in your Cloudflare Pages project settings and retry the last deployment to apply the changes (you can generate a random secret on https://www.uuidgenerator.net/version4)
-2. Set the same `NUXT_HUB_PROJECT_SECRET` and `NUXT_HUB_PROJECT_URL` environment variables in your local project
+1. Set the `NUXT_HUB_PROJECT_SECRET_KEY` environment variable in your Cloudflare Pages project settings and retry the last deployment to apply the changes (you can generate a random secret on https://www.uuidgenerator.net/version4)
+2. Set the same `NUXT_HUB_PROJECT_SECRET_KEY` and `NUXT_HUB_PROJECT_URL` environment variables in your local project
 
 ```bash [.env]
-NUXT_HUB_PROJECT_SECRET=my-project-secret-used-in-cloudflare-env
+NUXT_HUB_PROJECT_SECRET_KEY=my-project-secret-used-in-cloudflare-env
 NUXT_HUB_PROJECT_URL=https://my-nuxthub-project.pages.dev
 ```