diff --git a/src/kiri/dev/laser/SteelTailor.Marker.json b/src/kiri/dev/laser/SteelTailor.Marker.json
index 0f42dec4..60c9d645 100644
--- a/src/kiri/dev/laser/SteelTailor.Marker.json
+++ b/src/kiri/dev/laser/SteelTailor.Marker.json
@@ -13,17 +13,19 @@
     "laserMaxPower": 1,
     "gcodePre": [
         "G21 ; units mm",
-        "G90 ; absolute positioning - controller touchscreen sets the origin/start point"
+        "G90 ; absolute positioning - controller touchscreen sets the origin/start point",
+        "M11 ; apply line-marker X/Y offset (set the offset in controller System Parameters > line drawing bias)"
     ],
     "gcodePost": [
-        "M10 ; scribe tip up",
+        "M10 ; scribe/marker off",
+        "M12 ; remove line-marker X/Y offset",
         "M02 ; program end"
     ],
     "gcodeLaserOn": [
-        "M09 ; scribe tip down (marker on)"
+        "M09 ; marker on (fires the line-drawing gun output)"
     ],
     "gcodeLaserOff": [
-        "M10 ; scribe tip up (marker off)"
+        "M10 ; marker off"
     ],
     "gcodeFExt": "nc",
     "gcodeSpace": true,