Update demo/clusters/openshift/README.md

Co-authored-by: Evan Lezar <[email protected]>
Signed-off-by: Vitaly E. <[email protected]>

Author: empovit

demo/clusters/openshift/README.md

@@ -8,7 +8,7 @@ Install a recent build of OpenShift 4.16 (e.g. 4.16.0-ec.3). You can obtain an I
 
 ## Enabling DRA on OpenShift
 
-Enable the `TechPreviewNoUpgrade` feature set as explained in [Enabling features using FeatureGates](https://docs.openshift.com/container-platform/4.15/nodes/clusters/nodes-cluster-enabling-features.html), either during the installation or post-install. The feature set includes the `DynamicResourceAllocation` feature.
+Enable the `TechPreviewNoUpgrade` feature set as explained in [Enabling features using FeatureGates](https://docs.openshift.com/container-platform/4.15/nodes/clusters/nodes-cluster-enabling-features.html), either during the installation or post-install. The feature set includes the `DynamicResourceAllocation` feature gate.
 
 Update the cluster scheduler to enable the DRA scheduling plugin:
 
@@ -138,3 +138,5 @@ oc exec -ti nvidia-driver-daemonset-416.94.202402160025-0-g45bd -n nvidia-gpu-op
 Enabled MIG Mode for GPU 00000000:0A:00.0
 All done.
 ```
+
+Make sure to stop everything that may hold the GPU before enabling MIG. Otherwise you will see a warning, and the MIG status will have an asterisk (i.e. `Enabled*`), meaning that the setting could not be applied.