Fix typo in book: flag is --owner, not --owners
@@ -68,7 +68,7 @@ that will be required to build your project.
{% sample lang="bash" %}
```bash
-$ kubebuilder init --domain k8s.io --license apache2 --owners "The Kubernetes Authors"
+$ kubebuilder init --domain k8s.io --license apache2 --owner "The Kubernetes Authors"
```
{% endmethod %}
