Small updates to the array_api docs
Small updates to the array_api docs

These items were not clear in the original PR #21260 but have since been
clarified.

endolith/numpy,mhvk/numpy,mhvk/numpy,charris/numpy,charris/numpy,mhvk/numpy,anntzer/numpy,seberg/numpy,charris/numpy,mattip/numpy,charris/numpy,mhvk/numpy,jakirkham/numpy,numpy/numpy,jakirkham/numpy,rgommers/numpy,anntzer/numpy,seberg/numpy,endolith/numpy,rgommers/numpy,seberg/numpy,mattip/numpy,pdebuyl/numpy,anntzer/numpy,numpy/numpy,endolith/numpy,anntzer/numpy,mattip/numpy,mattip/numpy,jakirkham/numpy,mhvk/numpy,endolith/numpy,numpy/numpy,pdebuyl/numpy,pdebuyl/numpy,pdebuyl/numpy,seberg/numpy,rgommers/numpy,rgommers/numpy,jakirkham/numpy,numpy/numpy,jakirkham/numpy