Clarify docs for constructors
Clarify docs for constructors

cataska/factor,jwmerrill/factor,mecon/factor,mecon/factor,erg/factor,slavapestov/factor,bpollack/factor,seckar/factor,ehird/factor,tgunr/factor,sarvex/factor-lang,tgunr/factor,erg/factor,nicolas-p/factor,Keyholder/factor,factor/factor,sarvex/factor-lang,mrjbq7/factor,bjourne/factor,bjourne/factor,erg/factor,erg/factor,bjourne/factor,bjourne/factor,cataska/factor,ceninan/factor,mecon/factor,AlexIljin/factor,ehird/factor,nicolas-p/factor,bpollack/factor,factor/factor,erg/factor,mcandre/factor,bjourne/factor,slavapestov/factor,sarvex/factor-lang,tgunr/factor,sarvex/factor-lang,ceninan/factor,mrjbq7/factor,erg/factor,tgunr/factor,littledan/Factor,tgunr/factor,bjourne/factor,kingcons/factor,slavapestov/factor,factor/factor,dch/factor,AlexIljin/factor,bpollack/factor,bpollack/factor,dch/factor,AlexIljin/factor,seckar/factor,slavapestov/factor,sarvex/factor-lang,kingcons/factor,mcandre/factor,ceninan/factor,dch/factor,mrjbq7/factor,littledan/Factor,mrjbq7/factor,kingcons/factor,cataska/factor,bjourne/factor,bpollack/factor,AlexIljin/factor,mecon/factor,sarvex/factor-lang,AlexIljin/factor,factor/factor,mecon/factor,tgunr/factor,nicolas-p/factor,littledan/Factor,mrjbq7/factor,nicolas-p/factor,nicolas-p/factor,bpollack/factor,mrjbq7/factor,ehird/factor,cataska/factor,factor/factor,mcandre/factor,littledan/Factor,dch/factor,kingcons/factor,erg/factor,Keyholder/factor,sarvex/factor-lang,mcandre/factor,seckar/factor,AlexIljin/factor,slavapestov/factor,mecon/factor,dch/factor,dharmatech/factor,jwmerrill/factor,ceninan/factor,mcandre/factor,nicolas-p/factor,AlexIljin/factor,Keyholder/factor,slavapestov/factor,nicolas-p/factor,jwmerrill/factor,bpollack/factor,dch/factor,mecon/factor,mcandre/factor,dharmatech/factor,slavapestov/factor,factor/factor,mcandre/factor,dharmatech/factor