Clarify inspect docs
Clarify inspect docs

kelvinst/elixir,ggcampinho/elixir,joshprice/elixir,kimshrier/elixir,michalmuskala/elixir,pedrosnk/elixir,kimshrier/elixir,ggcampinho/elixir,kelvinst/elixir,pedrosnk/elixir,elixir-lang/elixir