Update 0_index.md (#2070)

Fix bug #2069

Author: flacle

doc/installation/0_index.md

@@ -256,17 +256,17 @@ In order to update it or reinstall it:
 
 ## Additional Settings (Optional)
 Check the [Additional Settings (Optional)](2_additional_settings.md) documentation if you want to:
-1. [Deploy or Export OpenPose to Other Projects](2_advanced_settings.md#deploy-or-export-openpose-to-other-projects)
-2. [Maximum Speed](2_advanced_settings.md#maximum-speed)
-3. [Faster CPU Version (Ubuntu Only)](2_advanced_settings.md#faster-cpu-version-ubuntu-only)
-4. [OpenCL Version](2_advanced_settings.md#opencl-version)
-5. [COCO and MPI Models](2_advanced_settings.md#coco-and-mpi-models)
-6. [3D Reconstruction Module](2_advanced_settings.md#3d-reconstruction-module)
-7. [Calibration Module](2_advanced_settings.md#calibration-module)
-8. [Unity Compatible Version](2_advanced_settings.md#unity-compatible-version)
-9. [Compile without cuDNN](2_advanced_settes.md#compiling-without-cudnn)
-10. [Custom Caffe](2_advanced_settings.md#custom-caffe)
-11. [Custom NVIDIA NVCaffe](2_advanced_settings.md#custom-nvidia-nvcaffe)
-12. [Custom OpenCV](2_advanced_settings.md#custom-opencv)
-13. [Doxygen Documentation Autogeneration (Ubuntu Only)](2_advanced_settings.md#doxygen-documentation-autogeneration-ubuntu-only)
-14. [CMake Command Line Configuration (Ubuntu Only)](2_advanced_settings.md#cmake-command-line-configuration-ubuntu-only)
+1. [Deploy or Export OpenPose to Other Projects](2_additional_settings.md#deploy-or-export-openpose-to-other-projects)
+2. [Maximum Speed](2_additional_settings.md#maximum-speed)
+3. [Faster CPU Version (Ubuntu Only)](2_additional_settings.md#faster-cpu-version-ubuntu-only)
+4. [OpenCL Version](2_additional_settings.md#opencl-version)
+5. [COCO and MPI Models](2_additional_settings.md#coco-and-mpi-models)
+6. [3D Reconstruction Module](2_additional_settings.md#3d-reconstruction-module)
+7. [Calibration Module](2_additional_settings.md#calibration-module)
+8. [Unity Compatible Version](2_additional_settings.md#unity-compatible-version)
+9. [Compile without cuDNN](2_additional_settings.md#compiling-without-cudnn)
+10. [Custom Caffe](2_additional_settings.md#custom-caffe)
+11. [Custom NVIDIA NVCaffe](2_additional_settings.md#custom-nvidia-nvcaffe)
+12. [Custom OpenCV](2_additional_settings.md#custom-opencv)
+13. [Doxygen Documentation Autogeneration (Ubuntu Only)](2_additional_settings.md#doxygen-documentation-autogeneration-ubuntu-only)
+14. [CMake Command Line Configuration (Ubuntu Only)](2_additional_settings.md#cmake-command-line-configuration-ubuntu-only)