fix label for upstream change troubleshoot/918 (#458)

docs/source/support-bundle/discover-cluster-specs.md

@@ -15,20 +15,20 @@ To use the `--load-cluster-specs` flag with the `support-bundle` CLI, there must
 
 The Secret and ConfigMap objects in the cluster must meet the following requirements:
 
-* The `labels` key must have a matching label of `troubleshoot.io/kind: supportbundle-spec`.
+* The `labels` key must have a matching label of `troubleshoot.io/kind: support-bundle`.
 
    **NOTE**: You can overwrite the expected label with the `-l` or `--selector` flag. For example, `./support-bundle -l troubleshoot.io/kind=something-else`.
 
 * The `data` key in the Secret or ConfigMap object must match `support-bundle-spec` or `redactor-spec`.
 
-The following is an example of a ConfigMap with a `troubleshoot.io/kind: supportbundle-spec` label and a `data` key matching `support-bundle-spec`:
+The following is an example of a ConfigMap with a `troubleshoot.io/kind: support-bundle` label and a `data` key matching `support-bundle-spec`:
 
 ```yaml
 apiVersion: v1
 kind: ConfigMap
 metadata:
   labels:
-    troubleshoot.io/kind: supportbundle-spec
+    troubleshoot.io/kind: support-bundle
   name: some-bundle
 data:
   support-bundle-spec: |