diff --git a/group_vars/default/pvc.yml b/group_vars/default/pvc.yml
index 4f53d16..b43a397 100644
--- a/group_vars/default/pvc.yml
+++ b/group_vars/default/pvc.yml
@@ -155,6 +155,7 @@ pvc_sriov_enable: False
 #   most users would be able to use the default without too much issue. Read the following notes
 #   carefully to determine if this setting should be enabled in your cluster.
 # > NOTE: CPU tuning is only supported on Debian Bullseye (11) or newer
+# > NOTE: CPU tuning playbooks require jmespath (e.g. python3-jmespath) installed on the controller node
 # > Defines CPU tuning/affinity options for various subsystems within PVC. This is useful to
 #   help limit the impact that noisy elements may have on other elements, e.g. busy VMs on
 #   OSDs, or system processes on latency-sensitive VMs.