message: Any recent CUDA version should suffice
diff: @@ -34,7 +34,7 @@ Build requirements
  - [CMake][1] version 3.1.3 or newer
  - [OpenGL][12]
  - [GLEW][3]
  -- [NVIDIA CUDA Toolkit][4] version 7.0 or newer (optional)
  +- [NVIDIA CUDA Toolkit][4] (optional)
  - Libraries need to be installed as developer packages containing C/C++ header files
  - The OpenGL and GLEW dependency can optionally be relaxed by setting `VSNRAY_GRAPHICS_API=None` with CMake
  