Update README.md

Author: unitycoder

README.md

@@ -32,5 +32,10 @@ https://github.com/unitycoder/UnityPointCloudViewer/wiki/Commandline-Tools
 Point cloud with 432 million loaded points (optimized v3 format view) *[Cloud file from here](http://pointcloudwarehouse.com/details.html?pointCloudId=565378543598d06a64219aa6)
 
 ### Videos
+
 Lidar dataset with ~10billion points (youtube)<br>
 [![](http://img.youtube.com/vi/EyM5ttLaJkQ/0.jpg)](http://www.youtube.com/watch?v=EyM5ttLaJkQ "")
+
+### Disclaimer
+
+These materials are not sponsored by or affiliated with Unity Technologies or its affiliates. “Unity” is a trademark or registered trademark of Unity Technologies or its affiliates in the U.S. and elsewhere.