Fix link for CRD-version-pref
This commit fix link for CRD-version-pref.
@@ -119,3 +119,5 @@ resource.version.group` is for everything else.
[steps for troubleshooting](/TODO.md)
[ref-multiver]: /reference/generating-crd.md#multiple-versions "Generating CRDs: Multiple Versions"
+
+[crd-version-pref]: https://kubernetes.io/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definition-versioning/#version-priority "Versions in CustomResourceDefinitions"
