Updated Building for Linux (markdown)

Building-for-Linux.md

@@ -13,7 +13,7 @@ You'll need to download and install the following to build Citra:
 * GCC v5+ (for C++14 support)
   - Deb: `apt-get install build-essential`
   - Arch: `pacman -S base-devel`
-* [CMake](http://www.cmake.org/) 3.1+
+* [CMake](http://www.cmake.org/) 3.6+
   - Deb: `apt-get install cmake`
   - Arch: `pacman -S cmake`
 * [Clang](https://github.com/llvm-mirror/clang) 3.8 (optional build alternative)