Clarify the role of 'indices' in H5PYDataset docstring
Clarify the role of 'indices' in H5PYDataset docstring

laurent-dinh/fuel,ejls/fuel,mjwillson/fuel,rodrigob/fuel,hantek/fuel,codeaudit/fuel,bouthilx/fuel,markusnagel/fuel,vdumoulin/fuel,dhruvparamhans/fuel,udibr/fuel,markusnagel/fuel,dhruvparamhans/fuel,dribnet/fuel,dwf/fuel,codeaudit/fuel,harmdevries89/fuel,rizar/fuel,capybaralet/fuel,janchorowski/fuel,rizar/fuel,hantek/fuel,bouthilx/fuel,mila-udem/fuel,mjwillson/fuel,harmdevries89/fuel,chrishokamp/fuel,glewis17/fuel,aalmah/fuel,orhanf/fuel,udibr/fuel,dmitriy-serdyuk/fuel,glewis17/fuel,ejls/fuel,aalmah/fuel,janchorowski/fuel,dribnet/fuel,dmitriy-serdyuk/fuel,rodrigob/fuel,orhanf/fuel,mila-udem/fuel,laurent-dinh/fuel,capybaralet/fuel,vdumoulin/fuel,dwf/fuel,chrishokamp/fuel