Update README.md

Author: Chman

README.md

@@ -1,22 +1,13 @@
 # Post-processing Stack v2
 
-This branch is under active development and holds the upcoming version of the post-processing stack. Although it is fairly stable at this point it is still considered to be in a **beta** state.
-
-If you're looking for the previous version of the post-processing stack, checkout the [v1 branch](https://github.com/Unity-Technologies/PostProcessing/tree/v1) instead.
+This branch is under active development and holds the current version of the post-processing stack. 
 
 Instructions
 ------------
 
-Quickstart guides:
-
-* [Quickstart](https://github.com/Unity-Technologies/PostProcessing/wiki/(v2)-Quickstart)
-* [Writing custom effects](https://github.com/Unity-Technologies/PostProcessing/wiki/(v2)-Writing-custom-effects)
-* [Scripting the stack](https://github.com/Unity-Technologies/PostProcessing/wiki/(v2)-Scripting-the-stack)
-* [External LUT authoring](https://github.com/Unity-Technologies/PostProcessing/wiki/(v2)-External-LUT-authoring)
-  - [DaVinci Resolve](https://github.com/Unity-Technologies/PostProcessing/wiki/(v2)-DaVinci-Resolve)
-  - [Adobe Photoshop](https://github.com/Unity-Technologies/PostProcessing/wiki/(v2)-Adobe-Photoshop)
+Documentation is available [on the wiki](https://github.com/Unity-Technologies/PostProcessing/wiki).
 
-Requires Unity 5.6.1+ or 2017.1+.
+The current version requires Unity 5.6.1+. Some effects and features are only available on Unity 2017.1+ and Unity 2017.2+.
 
 License
 -------