Add entry for LKE collection label character validation updates

Minor copy edits for LKE schema rewrite entry

Author: leslitagordita

src/content/changelog/4-69-0-2020-07-13.md

@@ -30,4 +30,6 @@ changelog:
 
 - A bug was fixed that allowed multiple Account Users to be created with the same `username`. This bug affected the Create User ([POST /account/users](https://developers.linode.com/api/v4/account-users/#post)) and Update User ([PUT /account/users/{username}](/api/v4/account-users-username/#put)) endpoints.
 
-- Combined the LKEClusterRequestBody into the LKECluster schema object and removed the LKEClusterRequestBody object. This change fixed some display issues within the [Linode Kubernetes Engine Endpoint](https://developers.linode.com/api/v4/lke-clusters) collection.
+- Combined the `LKEClusterRequestBody` into the `LKECluste`r schema object and removed the `LKEClusterRequestBody` object within the [APIv4 OpenAPI 3 reference](https://github.com/linode/linode-api-docs). This change fixed some display issues on the [Linode API Documentation](https://developers.linode.com/api/v4) website for the [Linode Kubernetes Engine Endpoint](/api/v4/lke-clusters) collection.
+
+- When creating an LKE Cluster ([POST /lke/clusters](/api/v4/lke-clusters/#post)) or updating an LKE Cluster ([PUT /lke/clusters/{clusterId}](/api/v4/lke-clusters-cluster-id/#put)), the `label` field supports valid Unicode outside of the ASCII table. Previously, the APIv4 reference listed the incorrect character limitations for this field.