make doctest syntax consistent
make doctest syntax consistent

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