Add missing 'type', 'defaultText' and 'literalExample' in module definitions

- add missing types in module definitions
- add missing 'defaultText' in module definitions
- wrap example with 'literalExample' where necessary in module definitions

1 files changed, 2 insertions, 1 deletions

diff --git a/nixos/modules/services/x11/display-managers/lightdm.nix b/nixos/modules/services/x11/display-managers/lightdm.nix
index ded694d90d50b..9460395f86d60 100644
--- a/nixos/modules/services/x11/display-managers/lightdm.nix
+++ b/nixos/modules/services/x11/display-managers/lightdm.nix
@@ -69,7 +69,7 @@ in
 
       greeter =  {
         package = mkOption {
-          type = types.path;
+          type = types.package;
           description = ''
             The LightDM greeter to login via. The package should be a directory
             containing a .desktop file matching the name in the 'name' option.
@@ -86,6 +86,7 @@ in
       };
 
       background = mkOption {
+        type = types.path;
         description = ''
           The background image or color to use.
         '';