Update README.md

Author: lilligreen

README.md

@@ -21,12 +21,12 @@ If you do not wish to compile the source code yourself, precompiled binary files
 
 After downloading a copy of the source code, the following project files for each platform are provided for you and can be found in the `engine/compilers` folder.
 
-* Windows: Visual Studio 2010 or Visual Studio 2012 (works with the free, express versions)
-* OSX: Xcode
-* Linux: Make
-* iOS: Xcode_iOS
-* Android: Eclipse
-* Web: Emscripten/Cmake
+* **Windows:** Visual Studio 2010, 2012, or 2013 (works with the free, "Express for Windows Desktop" version)
+* **OSX:** Xcode
+* **Linux:** Make
+* **iOS:** Xcode_iOS
+* **Android:** Eclipse
+* **Web:** Emscripten/Cmake
 
 See the [wiki](https://github.com/GarageGames/Torque2D/wiki) for available guides on platform setup and development.