Fix an error with chunk_every arity (#2571)
Fix an error with chunk_every arity (#2571)

There was an error in Russian translation regarding `chunk_every/2` arity (there was `chunk_every/4`) which is incorrect
doomspork/elixir-school,doomspork/elixir_school,doomspork/elixir_school,doomspork/elixir_school,doomspork/elixir-school,doomspork/elixir-school