Merge pull request #104079 from makefu/doc/aliases/rfkill

[20.09] aliases: rfkill is replaced by utillinux, not util-linux

pkgs/top-level/aliases.nix

@@ -481,7 +481,7 @@ mapAliases ({
   recordmydesktop = throw "recordmydesktop has been removed from nixpkgs, as it's unmaintained and uses deprecated libraries"; # added 2019-12-10
   gtk-recordmydesktop = throw "gtk-recordmydesktop has been removed from nixpkgs, as it's unmaintained and uses deprecated libraries"; # added 2019-12-10
   qt-recordmydesktop = throw "qt-recordmydesktop has been removed from nixpkgs, as it's abandoned and uses deprecated libraries"; # added 2019-12-10
-  rfkill = throw "rfkill has been removed, as it's included in util-linux"; # added 2020-08-23
+  rfkill = throw "rfkill has been removed, as it's included in utillinux"; # added 2020-08-23
   rkt = throw "rkt was archived by upstream"; # added 2020-05-16
   ruby_2_0_0 = throw "deprecated 2018-0213: use a newer version of ruby";
   ruby_2_1_0 = throw "deprecated 2018-0213: use a newer version of ruby";