Added category to the return format description
Added category to the return format description

VirusTotal/misp-modules,MISP/misp-modules,MISP/misp-modules,Rafiot/misp-modules,amuehlem/misp-modules,amuehlem/misp-modules,Rafiot/misp-modules,MISP/misp-modules,VirusTotal/misp-modules,amuehlem/misp-modules,VirusTotal/misp-modules,Rafiot/misp-modules