docs: Rephrase the current state of arm64 until it's stable
@@ -241,7 +241,7 @@ Learn about [maintenance](../topics/maintenance.md).
## ARM Support and Hybrid Clusters
-Lokomotive and Flatcar support the Packet arm64 server types `c1.large.arm` and `c2.large.arm`.
+Lokomotive and Flatcar currently include an alpha-quality preview for the Packet arm64 server types `c1.large.arm` and `c2.large.arm`.
They can be used for both worker and controller nodes.
Besides specifying them in `controller_type`/`type` you need to configure some additional variables
in the respective controller/worker module:
