docs/HACKING: correct link to OSUpgrades.md
@@ -272,7 +272,7 @@ $ ./hack/cluster-push.sh
## Hacking on `machine-os-content`
If you own part of the operating system (from kernel to kubelet) you
-are part of the `machine-os-content`. More information in [OSUpgrades.md](docs/OSUpgrades.md).
+are part of the `machine-os-content`. More information in [OSUpgrades.md](OSUpgrades.md).
You will want a workflow for testing changes to a cluster.
### Directly applying changes live to a node
