Update README.md
The project moved from 1.7 ThirdPartyResource to the newer CustomResourceDefinition on Aug 8th 2017 with commit Updating the main page with this change.
@@ -18,7 +18,7 @@ Kubernetes.
At its core, KubeVirt extends [Kubernetes][k8s] by adding
additional virtualization resource types (especially the `VM` type) through
-[Kubernetes's third party resource concept][tpr].
+[Kubernetes's Custom Resource Definitions API][crd].
By using this mechanism, the Kubernetes API can be used to manage these `VM`
resources alongside all other resources Kubernetes provides.
@@ -118,7 +118,7 @@ KubeVirt is distributed under the
[//]: # (Reference links)
[k8s]: https://kubernetes.io
- [tpr]: http://kubernetes.io/docs/user-guide/thirdpartyresources/
+ [crd]: https://kubernetes.io/docs/tasks/access-kubernetes-api/extend-api-custom-resource-definitions/
[ovirt]: https://www.ovirt.org
[cockpit]: https://cockpit-project.org/
[libvirt]: https://www.libvirt.org
