Fix typo in readme

Author: sheikh-nv

README.md

@@ -34,11 +34,11 @@ The NVIDIA PhysX SDK is a scalable multi-platform physics solution supporting a
 
 ## Documentation
 
-Please see [Release Notes](http://gameworksdocs.nvidia.com/PhysX/4.0/release_notes.html) for updates pertaining to the latest update.
+Please see [Release Notes](http://gameworksdocs.nvidia.com/PhysX/4.0/release_notes.html) for updates pertaining to the latest version.
 
 The full set of documentation can also be found in the repository under physx/documentation or online at http://gameworksdocs.nvidia.com/simulation.html 
 
-Platform specific information can be dound here:
+Platform specific information can be found here:
 * [Microsoft Windows](http://gameworksdocs.nvidia.com/PhysX/4.0/documentation/platformreadme/windows/readme_windows.html)
 * [Linux](http://gameworksdocs.nvidia.com/PhysX/4.0/documentation/platformreadme/linux/readme_linux.html)
 * [Google Android ARM](http://gameworksdocs.nvidia.com/PhysX/4.0/documentation/platformreadme/android/readme_android.html)