DOC: docstring fix implemented for ndindex class under index_tricks
DOC: docstring fix implemented for ndindex class under index_tricks

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