diff --git a/chart/questions.yml b/chart/questions.yml
index b180dda..209ac75 100644
--- a/chart/questions.yml
+++ b/chart/questions.yml
@@ -346,7 +346,7 @@ If disabled, Longhorn will not delete the workload pod that is managed by a cont
     default: "true"
   - variable: defaultSettings.replicaZoneSoftAntiAffinity
     label: Replica Zone Level Soft Anti-Affinity
-    description: "Allow scheduling new Replicas of Volume to the Nodes in the same Zone as existing healthy Replicas. Nodes don't belong to any Zone will be treated as in the same Zone. By default true."
+    description: "Allow scheduling new Replicas of Volume to the Nodes in the same Zone as existing healthy Replicas. Nodes don't belong to any Zone will be treated as in the same Zone. Notice that Longhorn relies on label `topology.kubernetes.io/zone=<Zone name of the node>` in the Kubernetes node object to identify the zone. By default true."
     group: "Longhorn Default Settings"
     type: boolean
     default: "true"