Fixed doc typos in ExUnit.DocTest
Fixed doc typos in ExUnit.DocTest

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