Update README.md

Author: Lawrence Wong

README.md

@@ -19,19 +19,20 @@ code managing Vive devices.
 
 ## Requirements:
 
-- Please use Unity 5.3.6 or newer 5.X versions to open the project
+- Unity 5.3.6 or newer versions to open this project
 
-- Also import the SteamVR Plugin for Unity. This can be found in [Unity
-Asset Store](http://u3d.as/content/valve-corporation/steam-vr-plugin).
+- If your target device is Vive or other OpenVR compatible device, also import SteamVR plugin form [Unity Asset Store](http://u3d.as/content/valve-corporation/steam-vr-plugin)
+
+- If your target device is Oculus, also import OVRPlugin from [Oculus develop website](https://developer.oculus.com/downloads/package/oculus-utilities-for-unity-5/)
 
 
 ## Contributing guidelines:
 
-1. Read the [CLA](https://github.com/ViveSoftware/ViveInputUtility-Unity/blob/master/CONTRIBUTING.md).
+1. Read and agree the [CLA](https://github.com/ViveSoftware/ViveInputUtility-Unity/blob/master/CONTRIBUTING.md).
 2. Create an issue for the work you want to contribute.
 3. [Fork this project](https://github.com/ViveSoftware/ViveInputUtility-Unity/fork) on GitHub.
 4. Create a new branch (based on master branch) for your work on your fork.
 5. After you finish your work
     - Make sure all files start with `//========= Copyright 2016-2017, HTC Corporation. All rights reserved. ===========`
     - Try leaving [good commit message](https://chris.beams.io/posts/git-commit/) and [keeping commit histories clean](https://www.notion.so/Keeping-Commit-Histories-Clean-0f717c4e802c4a0ebd852cf9337ce5d2).
-6. Submit a pull request from your new branch to our develop branch.
+6. Submit a pull request from your new branch to our develop branch.