Fix typo in syntax reference page (#8770)
Fix typo in syntax reference page (#8770)


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