Add additional documentation for `assert_in_delta` and `refute_in_delta` (#7191)
Add additional documentation for `assert_in_delta` and `refute_in_delta` (#7191)


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