diff --git a/nixos/modules/services/x11/xserver.nix b/nixos/modules/services/x11/xserver.nix
index 653c97d7e6f..cfe5e7f960c 100644
--- a/nixos/modules/services/x11/xserver.nix
+++ b/nixos/modules/services/x11/xserver.nix
@@ -156,13 +156,16 @@ in
       inputClassSections = mkOption {
         type = types.listOf types.lines;
         default = [];
-        example = [ ''
-           Identifier      "Trackpoint Wheel Emulation"
-           MatchProduct    "ThinkPad USB Keyboard with TrackPoint"
-           Option          "EmulateWheel"          "true
-           Option          "EmulateWheelButton"    "2"
-           Option          "Emulate3Buttons"       "false"
-          '' ];
+        example = literalExample ''
+          [ '''
+              Identifier      "Trackpoint Wheel Emulation"
+              MatchProduct    "ThinkPad USB Keyboard with TrackPoint"
+              Option          "EmulateWheel"          "true
+              Option          "EmulateWheelButton"    "2"
+              Option          "Emulate3Buttons"       "false"
+            '''
+          ]
+        '';
         description = "Content of additional InputClass sections of the X server configuration file.";
       };