Improve documentation
Improve documentation

alexiamcdonald/elm-core,suryagaddipati/core,rgrempel/core,martinos/core,rgrempel/core,laszlopandy/core,colinmccabe/core,Dandandan/core,slava-sh/core,eeue56/core,rick68/core,Pisys/core,ThomasWeiser/core,rick68/core,krisajenkins/core,suryagaddipati/core,vilterp/core,deadfoxygrandpa/core,eeue56/core,maxsnew/core,bradurani/core,martinos/core,simonh1000/core,manleyjster/core,avh4/elm-lang-core,colinmccabe/core,Dandandan/core,simonh1000/core,krisajenkins/core,isaacsanders/core,ThomasWeiser/core,deadfoxygrandpa/core,isaacsanders/core,alexiamcdonald/elm-core,avh4/elm-lang-core,jwmerrill/core,laszlopandy/core,vilterp/core,Pisys/core,manleyjster/core,bradurani/core