fix doc2vec document typo
fix doc2vec document typo

macks22/gensim,Kreiswolke/gensim,jaksmid/gensim,dsquareindia/gensim,RaRe-Technologies/gensim,bhargavvader/gensim,zachmayer/gensim,summanlp/gensim,gojomo/gensim,Kreiswolke/gensim,olavurmortensen/gensim,pombredanne/gensim,pombredanne/gensim,markroxor/gensim,robotcator/gensim,RaRe-Technologies/gensim,dsquareindia/gensim,olavurmortensen/gensim,loisaidasam/gensim,tzoiker/gensim,piskvorky/gensim,quole/gensim,ziky90/gensim,macks22/gensim,dsquareindia/gensim,tzoiker/gensim,pombredanne/gensim,mattilyra/gensim,macks22/gensim,ziky90/gensim,tzoiker/gensim,Kreiswolke/gensim,laic/gensim,quole/gensim,akutuzov/gensim,mattilyra/gensim,laic/gensim,markroxor/gensim,quole/gensim,piskvorky/gensim,davechallis/gensim,jaksmid/gensim,ELind77/gensim,robotcator/gensim,mattilyra/gensim,loisaidasam/gensim,manasRK/gensim,ELind77/gensim,robotcator/gensim,summanlp/gensim,olavurmortensen/gensim,ziky90/gensim,summanlp/gensim,RaRe-Technologies/gensim,jaksmid/gensim,bhargavvader/gensim,isohyt/gensim,gojomo/gensim,akutuzov/gensim,zachmayer/gensim,piskvorky/gensim,markroxor/gensim,ELind77/gensim,gojomo/gensim,RaRe-Technologies/gensim,manasRK/gensim,akutuzov/gensim,manasRK/gensim,gojomo/gensim,bhargavvader/gensim,zachmayer/gensim,isohyt/gensim,davechallis/gensim,davechallis/gensim,laic/gensim,isohyt/gensim,loisaidasam/gensim