Fix breaking of documentation introduced in #8373 (#8381)
Fix breaking of documentation introduced in #8373 (#8381)

This was introduced accidentally in 7f771a4f3d55da1e3d2ac77a3543e220dd31444b
Making the backslash escape the closing backtick,
and ruining the documentation generated by ExDoc.
elixir-lang/elixir,joshprice/elixir,lexmag/elixir,kelvinst/elixir,ggcampinho/elixir,kelvinst/elixir,lexmag/elixir,pedrosnk/elixir,ggcampinho/elixir,kimshrier/elixir,kimshrier/elixir,michalmuskala/elixir,pedrosnk/elixir