Update helpers.ex (#5177)
Update helpers.ex (#5177)

Corrected typo in nl/2 documentation
pedrosnk/elixir,lexmag/elixir,lexmag/elixir,kelvinst/elixir,michalmuskala/elixir,kimshrier/elixir,kimshrier/elixir,gfvcastro/elixir,pedrosnk/elixir,antipax/elixir,elixir-lang/elixir,kelvinst/elixir,beedub/elixir,gfvcastro/elixir,antipax/elixir,beedub/elixir,joshprice/elixir,ggcampinho/elixir,ggcampinho/elixir