[Physics] Update README.md with new BulletSharpPInvoke repo location

deps/BulletPhysics/README.md

@@ -1,8 +1,13 @@
 ## BulletPhysics
-This folder houses bullet, the physics engine used within xenko.
-libbulletc.* is the bullet c++ library, we should have one lib compiled for each platform and architecture.
-BulletSharp.NetStandard.dll is the C# wrapper around that c++ library, there's one dll for iOS (within /iOS) and the other for any other platform, take a look at https://xamarin.github.io/bugzilla-archives/24/24943/bug.html for more info about the reason as to why we have to make a specific dll for iOS.
 
-The sources, build scripts and instructions are hosted over at https://github.com/Eideren/BulletSharpPInvoke .
+This folder houses bullet, the physics engine used by `Xenko.Physics` assembly.
 
-At the time of writing this (26/June/19), the files in this folder were built under commit [2a79f9af9c3fcc61aaad69a9a24e6b1f7246f758](https://github.com/Eideren/BulletSharpPInvoke/commit/2a79f9af9c3fcc61aaad69a9a24e6b1f7246f758), changes were merged with xenko through [PR#289](https://github.com/xenko3d/xenko/pull/289).
+* `libbulletc.*` is the bullet c++ library, we should have one lib compiled for each platform and architecture.
+
+* `BulletSharp.NetStandard.dll` is the C# wrapper around that c++ library, there's one dll for iOS (within /iOS) and the other for any other platform. Take a look at https://xamarin.github.io/bugzilla-archives/24/24943/bug.html for more info about the reason as to why we have to make a specific dll for iOS.
+
+### Sources
+
+The sources, build scripts and instructions are hosted over at https://github.com/xenko3d/BulletSharpPInvoke
+
+At the time of writing this (26/June/19), the files in this folder were built under commit [2a79f9af9c3fcc61aaad69a9a24e6b1f7246f758](https://github.com/xenko3d/BulletSharpPInvoke/commit/2a79f9af9c3fcc61aaad69a9a24e6b1f7246f758), changes were merged with xenko through [PR#289](https://github.com/xenko3d/xenko/pull/289).