DOC: clarify wording
DOC: clarify wording

Co-authored-by: Matti Picus <faf711dbf9cf26dd81c70c606be887f6131932db@gmail.com>
rgommers/numpy,mattip/numpy,mhvk/numpy,anntzer/numpy,mattip/numpy,endolith/numpy,mhvk/numpy,pdebuyl/numpy,charris/numpy,numpy/numpy,mattip/numpy,mattip/numpy,mhvk/numpy,pdebuyl/numpy,rgommers/numpy,mhvk/numpy,endolith/numpy,pdebuyl/numpy,anntzer/numpy,rgommers/numpy,anntzer/numpy,anntzer/numpy,pdebuyl/numpy,charris/numpy,charris/numpy,numpy/numpy,charris/numpy,numpy/numpy,rgommers/numpy,numpy/numpy,endolith/numpy,endolith/numpy,mhvk/numpy