fixed typos in ChangeLog
fixed typos in ChangeLog

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