rott: update commentary citing SDL_classic

Author: AndersonTorres

pkgs/games/rott/default.nix

@@ -40,8 +40,8 @@ stdenv.mkDerivation rec {
     "SHAREWARE=${if buildShareware then "1" else "0"}"
   ];
 
-  # when using SDL_compat instead of SDL_classic, SDL_mixer isn't correctly
-  # detected, but there is no harm just specifying it
+  # when using SDL_compat instead of SDL1, SDL_mixer isn't correctly detected,
+  # but there is no harm just specifying it
   env.NIX_CFLAGS_COMPILE = toString [
     "-I${lib.getDev SDL_mixer}/include/SDL"
   ];