Revise grammar in Mix.Config config template (#5935)
Revise grammar in Mix.Config config template (#5935)

[ci skip]
kimshrier/elixir,beedub/elixir,ggcampinho/elixir,antipax/elixir,gfvcastro/elixir,pedrosnk/elixir,kelvinst/elixir,lexmag/elixir,kelvinst/elixir,lexmag/elixir,elixir-lang/elixir,antipax/elixir,kimshrier/elixir,ggcampinho/elixir,beedub/elixir,michalmuskala/elixir,gfvcastro/elixir,joshprice/elixir,pedrosnk/elixir