Fixed typo in mix task local.uninstall doc
Fixed typo in mix task local.uninstall doc

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