docu update

Author: atafra

CHANGELOG.md

@@ -8,6 +8,7 @@ Version History
 -   Fixed compile error on some macOS systems
 -   Fixed minor compile issues with Visual Studio
 -   Lowered the CPU requirement to SSE4.1
+-   Minor example update
 
 ### Changes in v0.8.0:
 

README.md

@@ -72,7 +72,7 @@ you need the following prerequisites:
         git clone --recursive https://github.com/OpenImageDenoise/oidn.git
 
   - To build Open Image Denoise you need [CMake](http://www.cmake.org)
-    3.0 or later, a C++11 compiler (we recommend using Clang, but also
+    3.1 or later, a C++11 compiler (we recommend using Clang, but also
     support GCC, Microsoft Visual Studio 2015 or later, and [Intel® C++
     Compiler](https://software.intel.com/en-us/c-compilers) 17.0 or
     later), and Python 2.7 or later.

doc/compilation.md

@@ -17,7 +17,7 @@ you need the following prerequisites:
 
         git clone --recursive https://github.com/OpenImageDenoise/oidn.git
 
--   To build Open Image Denoise you need [CMake](http://www.cmake.org) 3.0 or
+-   To build Open Image Denoise you need [CMake](http://www.cmake.org) 3.1 or
     later, a C++11 compiler (we recommend using Clang, but also support GCC,
     Microsoft Visual Studio 2015 or later, and
     [Intel® C++ Compiler](https://software.intel.com/en-us/c-compilers) 17.0 or