Docs call `respawn/0` using parentheses (#5753)
Docs call `respawn/0` using parentheses (#5753)

Calling `respawn/0` as currently suggested in the 
docs raises a warning to remove the ambiguity.
beedub/elixir,antipax/elixir,kimshrier/elixir,michalmuskala/elixir,beedub/elixir,pedrosnk/elixir,kimshrier/elixir,kelvinst/elixir,pedrosnk/elixir,gfvcastro/elixir,antipax/elixir,lexmag/elixir,gfvcastro/elixir,ggcampinho/elixir,elixir-lang/elixir,joshprice/elixir,kelvinst/elixir,lexmag/elixir,ggcampinho/elixir