Package not found when installing with yarn

[PeterBowater]

Using documented yarn install command:

yarn create strapi-starter my-site gatsby-corporate

We get :

[1/4] 🔍 Resolving packages... error An unexpected error occurred: "https://registry.npmjs.org/create-strapi-corporate-gatsby: Not found".

Noted that the package is not found on npmjs registry if you manually search.

Seems to be working with npx :)

Thanks :)