Fixed typos in Kernel.SpecialForms docs
Fixed typos in Kernel.SpecialForms docs

kelvinst/elixir,gfvcastro/elixir,ggcampinho/elixir,kimshrier/elixir,kimshrier/elixir,ggcampinho/elixir,michalmuskala/elixir,antipax/elixir,lexmag/elixir,elixir-lang/elixir,joshprice/elixir,pedrosnk/elixir,antipax/elixir,lexmag/elixir,gfvcastro/elixir,beedub/elixir,beedub/elixir,kelvinst/elixir,pedrosnk/elixir