fix expression: comment is undefined, use passed in topic
fix expression: comment is undefined, use passed in topic

phihag/adhocracy,DanielNeugebauer/adhocracy,alkadis/vcv,SysTheron/adhocracy,alkadis/vcv,DanielNeugebauer/adhocracy,phihag/adhocracy,phihag/adhocracy,SysTheron/adhocracy,SysTheron/adhocracy,DanielNeugebauer/adhocracy,liqd/adhocracy,liqd/adhocracy,alkadis/vcv,alkadis/vcv,DanielNeugebauer/adhocracy,phihag/adhocracy,liqd/adhocracy,alkadis/vcv,DanielNeugebauer/adhocracy,phihag/adhocracy,liqd/adhocracy