diff --git a/nixos/modules/system/boot/plymouth.nix b/nixos/modules/system/boot/plymouth.nix
index a63f34938995..b041b8951fa3 100644
--- a/nixos/modules/system/boot/plymouth.nix
+++ b/nixos/modules/system/boot/plymouth.nix
@@ -99,10 +99,12 @@ in
         # Dimensions are 48x48 to match GDM logo
         default = "${nixos-icons}/share/icons/hicolor/48x48/apps/nix-snowflake-white.png";
         defaultText = literalExpression ''"''${nixos-icons}/share/icons/hicolor/48x48/apps/nix-snowflake-white.png"'';
-        example = literalExpression ''pkgs.fetchurl {
-          url = "https://nixos.org/logo/nixos-hires.png";
-          sha256 = "1ivzgd7iz0i06y36p8m5w48fd8pjqwxhdaavc0pxs7w1g7mcy5si";
-        }'';
+        example = literalExpression ''
+          pkgs.fetchurl {
+            url = "https://nixos.org/logo/nixos-hires.png";
+            sha256 = "1ivzgd7iz0i06y36p8m5w48fd8pjqwxhdaavc0pxs7w1g7mcy5si";
+          }
+        '';
         description = lib.mdDoc ''
           Logo which is displayed on the splash screen.
         '';