diff --git a/helm/templates/agent.yaml b/helm/templates/agent.yaml
index 9b51c132..d752de77 100644
--- a/helm/templates/agent.yaml
+++ b/helm/templates/agent.yaml
@@ -144,7 +144,7 @@ spec:
         - name: ISSUE_MESSAGE_FILE
           value: "true"
         - name: MAX_VOLUMES_PERNODE
-          value: "{{ .Values.agent.max_volumes_pre_node }}"
+          value: "{{ .Values.agent.max_volumes_per_node }}"
 {{- if .Values.global.YodaSchedulerSvcIP }}
         - name: EXTENDER_SVC_IP
           value: "{{ .Values.global.YodaSchedulerSvcIP }}"
diff --git a/helm/values-acka.yaml b/helm/values-acka.yaml
index 1d9a006b..63956934 100644
--- a/helm/values-acka.yaml
+++ b/helm/values-acka.yaml
@@ -27,7 +27,7 @@ agent:
   volume_name_prefix: yoda
   spdk: false
   driverMode: node
-  max_volumes_pre_node: 256
+  max_volumes_per_node: 256
 extender:
   name: yoda-scheduler-extender
   # scheduling strategy: binpack/spread
diff --git a/helm/values.yaml b/helm/values.yaml
index 57db75dd..0a66ec9b 100644
--- a/helm/values.yaml
+++ b/helm/values.yaml
@@ -33,7 +33,7 @@ agent:
   # all: agent will start as csi controller and csi node
   # node: agent will start as csi node
   driverMode: node
-  max_volumes_pre_node: 256
+  max_volumes_per_node: 256
 extender:
   name: open-local-scheduler-extender
   # scheduling strategy: binpack/spread
diff --git a/pkg/csi/nodeserver.go b/pkg/csi/nodeserver.go
index d42a5b65..7d0d64a4 100644
--- a/pkg/csi/nodeserver.go
+++ b/pkg/csi/nodeserver.go
@@ -64,7 +64,7 @@ func newNodeServer(options *driverOptions) *nodeServer {
 	if volumeNum != "" {
 		num, err := strconv.ParseInt(volumeNum, 10, 64)
 		if err != nil {
-			log.Fatalf("NewNodeServer: MAX_VOLUMES_PERNODE must be int64, but get: %s", volumeNum)
+			log.Fatalf("NewNodeServer: MAX_VOLUMES_PERNODE must be integer, but get: %s", volumeNum)
 		} else {
 			if num < 0 || num > int64(MaxVolumesPerNodeLimited) {
 				log.Errorf("NewNodeServer: MAX_VOLUMES_PERNODE must between 0-%d, but get: %s", int64(MaxVolumesPerNodeLimited), volumeNum)
diff --git a/pkg/csi/type.go b/pkg/csi/type.go
index 798ffdd4..8a000ee4 100644
--- a/pkg/csi/type.go
+++ b/pkg/csi/type.go
@@ -56,9 +56,9 @@ const (
 	DirectTag = "direct"
 	// StripingType striping type
 	StripingType = "striping"
-	// DefaultMaxVolumesPerNode define default max volumes one node
+	// DefaultMaxVolumesPerNode define default max volumes per node
 	DefaultMaxVolumesPerNode = 64
-	// MaxVolumesPerNodeLimited define limit max volumes one node
+	// MaxVolumesPerNodeLimited define limit max volumes per node
 	MaxVolumesPerNodeLimited = 1024
 )