DOC: Fix spacing in vectorize doc
DOC: Fix spacing in vectorize doc

Fix spacing that produced incorrect rendering

numpy/numpy,jakirkham/numpy,anntzer/numpy,charris/numpy,pbrod/numpy,madphysicist/numpy,endolith/numpy,mattip/numpy,jakirkham/numpy,rgommers/numpy,mattip/numpy,endolith/numpy,mattip/numpy,seberg/numpy,charris/numpy,pdebuyl/numpy,seberg/numpy,endolith/numpy,simongibbons/numpy,rgommers/numpy,mhvk/numpy,simongibbons/numpy,madphysicist/numpy,simongibbons/numpy,pbrod/numpy,seberg/numpy,simongibbons/numpy,jakirkham/numpy,madphysicist/numpy,grlee77/numpy,numpy/numpy,seberg/numpy,grlee77/numpy,rgommers/numpy,endolith/numpy,grlee77/numpy,jakirkham/numpy,mhvk/numpy,pdebuyl/numpy,anntzer/numpy,mhvk/numpy,jakirkham/numpy,pbrod/numpy,simongibbons/numpy,madphysicist/numpy,numpy/numpy,pdebuyl/numpy,pbrod/numpy,pdebuyl/numpy,rgommers/numpy,madphysicist/numpy,anntzer/numpy,mattip/numpy,charris/numpy,pbrod/numpy,grlee77/numpy,grlee77/numpy,charris/numpy,mhvk/numpy,mhvk/numpy,numpy/numpy,anntzer/numpy