DOC: update skip section and fix formatting.
DOC: update skip section and fix formatting.

[skip ci]

mattip/numpy,mhvk/numpy,numpy/numpy,endolith/numpy,charris/numpy,mhvk/numpy,mhvk/numpy,charris/numpy,mhvk/numpy,numpy/numpy,mattip/numpy,numpy/numpy,numpy/numpy,charris/numpy,mattip/numpy,endolith/numpy,mhvk/numpy,charris/numpy,endolith/numpy,endolith/numpy,mattip/numpy