diff --git a/README.md b/README.md
index 907ea59..024223b 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ The [Wiki page](https://github.com/Microsoft/vscode-azure-iot-toolkit/wiki) incl
     * Send D2C message to IoT Hub
     * Monitor Built-in Event Endpoint
     * Send C2D message to device
-    * Monitor C2D message from IoT Hub
+    * Receive C2D message from IoT Hub
     * Invoke Device Direct Method
     * Edit Device Twin
     * Manage Azure IoT distributed tracing
diff --git a/package.nls.ja.json b/package.nls.ja.json
index d7cdba6..cb0f5d6 100644
--- a/package.nls.ja.json
+++ b/package.nls.ja.json
@@ -4,8 +4,8 @@
   "azure-iot-toolkit.command.startMonitorIoTHubMessageWithAbbreviation.title": "モニターを開始",
   "azure-iot-toolkit.command.stopMonitorIoTHubMessage.title": "ビルトインエンドポイントのモニターを停止",
   "azure-iot-toolkit.command.sendC2DMessage.title": "デバイスへC2Dメッセージを送信",
-  "azure-iot-toolkit.command.startMonitorC2DMessage.title": "C2Dメッセージのモニターを開始",
-  "azure-iot-toolkit.command.stopMonitorC2DMessage.title": "C2Dメッセージのモニターを停止",
+  "azure-iot-toolkit.command.startMonitorC2DMessage.title": "C2Dメッセージの受信を開始",
+  "azure-iot-toolkit.command.stopMonitorC2DMessage.title": "C2Dメッセージの受信を停止",
   "azure-iot-toolkit.command.listDevice.title": "デバイス一覧を表示",
   "azure-iot-toolkit.command.createDevice.title": "デバイスを作成",
   "azure-iot-toolkit.command.deleteDevice.title": "デバイスを削除",
diff --git a/package.nls.json b/package.nls.json
index e7ab5f5..075ca80 100644
--- a/package.nls.json
+++ b/package.nls.json
@@ -7,8 +7,8 @@
   "azure-iot-toolkit.command.startMonitorIoTHubMessageWithAbbreviation.title": "Start Monitoring",
   "azure-iot-toolkit.command.stopMonitorIoTHubMessage.title": "Stop Monitoring Built-in Event Endpoint",
   "azure-iot-toolkit.command.sendC2DMessage.title": "Send C2D Message to Device",
-  "azure-iot-toolkit.command.startMonitorC2DMessage.title": "Start Monitoring C2D Message",
-  "azure-iot-toolkit.command.stopMonitorC2DMessage.title": "Stop Monitoring C2D Message",
+  "azure-iot-toolkit.command.startMonitorC2DMessage.title": "Start Receiving C2D Message",
+  "azure-iot-toolkit.command.stopMonitorC2DMessage.title": "Stop Receiving C2D Message",
   "azure-iot-toolkit.command.listDevice.title": "List Devices",
   "azure-iot-toolkit.command.createDevice.title": "Create Device",
   "azure-iot-toolkit.command.deleteDevice.title": "Delete Device",
diff --git a/src/iotHubC2DMessageExplorer.ts b/src/iotHubC2DMessageExplorer.ts
index 3b8ad6f..69501fc 100644
--- a/src/iotHubC2DMessageExplorer.ts
+++ b/src/iotHubC2DMessageExplorer.ts
@@ -17,7 +17,7 @@ export class IotHubC2DMessageExplorer extends IoTHubMessageBaseExplorer {
     private _deviceClient: Client;
 
     constructor(outputChannel: vscode.OutputChannel) {
-        super(outputChannel, "$(primitive-square) Stop Monitoring C2D Message", "azure-iot-toolkit.stopMonitorC2DMessage");
+        super(outputChannel, "$(primitive-square) Stop Receiving C2D Message", "azure-iot-toolkit.stopMonitorC2DMessage");
     }
 
     public async sendC2DMessage(deviceItem?: DeviceItem) {
@@ -36,7 +36,7 @@ export class IotHubC2DMessageExplorer extends IoTHubMessageBaseExplorer {
     public async startMonitorC2DMessage(deviceItem?: DeviceItem) {
         if (this._isMonitoring) {
             this._outputChannel.show();
-            this.outputLine(Constants.IoTHubC2DMessageMonitorLabel, "There is a running job to monitor C2D message. Please stop it first.");
+            this.outputLine(Constants.IoTHubC2DMessageMonitorLabel, "There is a running job to receive C2D message. Please stop it first.");
             return;
         }
 
@@ -55,7 +55,7 @@ export class IotHubC2DMessageExplorer extends IoTHubMessageBaseExplorer {
         TelemetryClient.sendEvent(Constants.IoTHubAIStopMonitorC2DEvent);
         this._outputChannel.show();
         if (this._isMonitoring) {
-            this.outputLine(Constants.IoTHubC2DMessageMonitorLabel, "C2D monitoring stopped.");
+            this.outputLine(Constants.IoTHubC2DMessageMonitorLabel, "C2D receiving stopped.");
             this._monitorStatusBarItem.hide();
             this._deviceClient.close(() => { this.updateMonitorStatus(false); });
         } else {
@@ -89,7 +89,7 @@ export class IotHubC2DMessageExplorer extends IoTHubMessageBaseExplorer {
             } else {
                 this.updateMonitorStatus(true);
                 let deviceId = ConnectionString.parse(deviceConnectionString).DeviceId;
-                this.outputLine(Constants.IoTHubC2DMessageMonitorLabel, `Start monitoring C2D message for [${deviceId}]...`);
+                this.outputLine(Constants.IoTHubC2DMessageMonitorLabel, `Start receiving C2D message for [${deviceId}]...`);
                 TelemetryClient.sendEvent(Constants.IoTHubAIStartMonitorC2DEvent);
                 this._deviceClient.on("message", (msg) => {
                     this.outputLine(Constants.IoTHubC2DMessageMonitorLabel, "Message Received: " + msg.getData());