diff --git a/keps/sig-api-machinery/20180731-crd-pruning.md b/keps/sig-api-machinery/20180731-crd-pruning.md index cc2e5c3d5c80..73524cd4975e 100644 --- a/keps/sig-api-machinery/20180731-crd-pruning.md +++ b/keps/sig-api-machinery/20180731-crd-pruning.md @@ -65,7 +65,7 @@ spec: i.e. CRDs created in `v1beta1` default to disabled pruning. -**Pruning will enabled by default for CRDs created in `v1`**. +**Pruning will be enabled by default for CRDs created in `v1`**. Pruning requires _structural schemas_ (as described in [KEP Vanilla OpenAPI Subset: Structural Schema](https://github.com/kubernetes/enhancements/pull/1002)) for all defined versions. Validation will reject the CRD with `pruneUnknownFields: true` otherwise.