Update docs/PullSecret.md
@@ -16,4 +16,4 @@ result in the new pull secret being laid down on nodes.
Note that the `.dockerconfigjson` field is a base64 encoded JSON.
-The pull secret in `openshift-config` is a cluster wide pull secret. Changing it will cause every node in every pool, including the `master` pool to reboot.
+The pull secret in `openshift-config` is rendered into a `MachineConfig` object by the MCO which applies to all pools. Therefore, like all `MachineConfig` changes, it will currently cause a drain and reboot for all affected machines.
