Update README.md

Author: GitGaoXing

README.md

@@ -19,8 +19,8 @@
 - [How to build](./doc/howToBuild.md)
 
 ## Related project
-- [osgPlugins-3mx](https://github.com/ProjSEED/osgPlugins-3mx): load *3mx/3mxb* format LOD model files generated by Bentley ContextCapture into OpenSceneGraph.
-- [Unity-3mxb](https://github.com/ProjSEED/Unity-3mxb): load *3mx/3mxb* LOD model files generated by Bentley ContextCapture into Unity.
+- [osgPlugins-3mx](https://github.com/ProjSEED/osgPlugins-3mx): load *3mx/3mxb* format LOD model files into OpenSceneGraph.
+- [Unity-3mxb](https://github.com/ProjSEED/Unity-3mxb): load *3mx/3mxb* LOD model files into Unity.
 
 ## Thirdparty (source codes included for convenience):
 - [LASzip](https://github.com/LASzip/LASzip)