DOC: small improvements to the netCDF docs (#1169)
DOC: small improvements to the netCDF docs (#1169)


chunweiyuan/xarray,shoyer/xray,pydata/xarray,jhamman/xarray,shoyer/xarray,jhamman/xray,pydata/xarray,pydata/xarray,rabernat/xray,jhamman/xarray,jcmgray/xarray,xray/xray,markelg/xray,rabernat/xray,markelg/xray,jhamman/xarray,shoyer/xarray,markelg/xray