fix .combine docs
fix .combine docs

AyaMorisawa/kefir,AgentME/kefir,hsavit1/kefir,elsehow/kefir,pixelpicosean/kefir,kelsadita/kefir,hsavit1/kefir,kelsadita/kefir,pixelpicosean/kefir,lautis/kefir,AgentME/kefir,lautis/kefir,elsehow/kefir,AyaMorisawa/kefir