Use consistent spacing in code snippet. (#4547)
Use consistent spacing in code snippet. (#4547)

2 spaces instead of 1.
elixir-lang/elixir,kimshrier/elixir,joshprice/elixir,kimshrier/elixir,antipax/elixir,gfvcastro/elixir,gfvcastro/elixir,kelvinst/elixir,ggcampinho/elixir,ggcampinho/elixir,lexmag/elixir,michalmuskala/elixir,lexmag/elixir,kelvinst/elixir,beedub/elixir,pedrosnk/elixir,beedub/elixir,antipax/elixir,pedrosnk/elixir