nixos/manual: Use literalExample when feasible.

Should bring most of the examples into a better consistency regarding
syntactic representation in the manual.

Thanks to @devhell for reporting.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/nixos/modules/services/x11/display-managers/default.nix b/nixos/modules/services/x11/display-managers/default.nix
index 3bf18bd58c84..6e61576f501f 100644
--- a/nixos/modules/services/x11/display-managers/default.nix
+++ b/nixos/modules/services/x11/display-managers/default.nix
@@ -251,14 +251,16 @@ in
 
         execCmd = mkOption {
           type = types.str;
-          example = "${pkgs.slim}/bin/slim";
+          example = literalExample ''
+            "''${pkgs.slim}/bin/slim"
+          '';
           description = "Command to start the display manager.";
         };
 
         environment = mkOption {
           type = types.attrsOf types.unspecified;
           default = {};
-          example = { SLIM_CFGFILE = /etc/slim.conf; };
+          example = { SLIM_CFGFILE = "/etc/slim.conf"; };
           description = "Additional environment variables needed by the display manager.";
         };