diff --git a/README.md b/README.md
index 606398f..63b69b4 100755
--- a/README.md
+++ b/README.md
@@ -3,18 +3,19 @@
 ![GitHub Workflow Status](https://github.com/westonrobot/wrp_sdk/workflows/Cpp/badge.svg)
 ![GitHub Workflow Status](https://github.com/westonrobot/wrp_sdk/workflows/ROS/badge.svg)
 
-This repository is a joint effort by the development teams at [Weston Robot](https://www.westonrobot.com/) (Singapore) and [AgileX Robotics](http://www.agilex.ai) (China). 
+## Introduction
 
-| Package Name |                    Description                     |           Developed By           |
-| :----------: | :------------------------------------------------: | :------------------------------: |
-|   ugv_sdk    | encoding/decoding of robot communication protocols | Weston Robot and AgileX Robotics |
-|    wrp_io    |    generic asynchronous communication handling     |           Weston Robot           |
+This software package provides a C++ interface to communicate with the mobile platforms from Weston Robot and AgileX Robotics, for sending commands to the robot and receiving the latest robot state. The repository is a joint effort by the development teams at Weston Robot (Singapore) and AgileX Robotics (China).
+
+- Copyright (c) 2020 [Weston Robot](https://www.westonrobot.com/) 
+- Copyright (c) 2020 [AgileX Robotics](http://www.agilex.ai/?lang=zh-cn)
 
 Please create an issue on Github at https://github.com/westonrobot/ugv_sdk/issues if you encounter any problems in using the packages.
 
-## Introduction
+**Important Note:** Currently we're transitioning the communication protocol from version 1 to version 2. Please check with Weston Robot or AgileX Robotics to confirm which version your robot is using. 
 
-This software package provides a C++ interface to communicate with the mobile platforms from Weston Robot and AgileX Robotics, for sending commands to the robot and receiving the latest robot state. 
+* V1 Protocol: master branch of scout_ros and ugv_sdk
+* V2 Protocol: v2.x branch of scout_ros and ugv_sdk
 
 Supported robot platforms