message: Fixing one last 5.1 reference.
diff: @@ -29,7 +29,7 @@ installed on your system:
  Ensure that you append the relevant Cuda pathnames to the `%PATH%`
  environment variable as described in the NVIDIA documentation.
  * The NVIDIA drivers associated with CUDA Toolkit 8.0.
  - * cuDNN v5.1. For details, see
  + * cuDNN v6.1. For details, see
  [NVIDIA's documentation](https://developer.nvidia.com/cudnn).
  Note that cuDNN is typically installed in a different location from the
  other CUDA DLLs. Ensure that you add the directory where you installed
  