clarified docs for classifier serlialization
clarified docs for classifier serlialization

PTaylour/natural,mafintosh/natural,mcanthony/natural,Hugo-ter-Doest/natural,walkingdoctors/natural,gmarty/natural,mafintosh/natural,mafintosh/natural,dpraimeyuu/natural,mamaral/natural,tj/natural,moos/natural,fergiemcdowall/natural,Logicify/natural,polymaths/natural,yathit/natural,PMSI-AlignAlytics/natural,itamayo/natural,fergiemcdowall/natural,levy5674/natural,kjhenner/natural,fergiemcdowall/natural,balderdashy/natural,balderdashy/natural,balderdashy/natural,karimsa/natural,NaturalNode/natural,gmarty/natural,ahmedshuhel/natural,gmarty/natural