Correct message for invalid indentation in doc test when is "1 space"
Correct message for invalid indentation in doc test when is "1 space"

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