Fix typo
Fix typo

"a children" -> "children"
pedrosnk/elixir,ggcampinho/elixir,antipax/elixir,kelvinst/elixir,michalmuskala/elixir,gfvcastro/elixir,kimshrier/elixir,kelvinst/elixir,ggcampinho/elixir,gfvcastro/elixir,elixir-lang/elixir,joshprice/elixir,lexmag/elixir,beedub/elixir,kimshrier/elixir,lexmag/elixir,beedub/elixir,antipax/elixir,pedrosnk/elixir