diff --git a/motors.scad b/motors.scad
index 2536ae1..ac3161a 100644
--- a/motors.scad
+++ b/motors.scad
@@ -11,26 +11,26 @@ module stepper_motor_mount(nema_standard,slide_distance=0, mochup=true)
 	if (nema_standard == 17)
 	{
 		_stepper_motor_mount(
-			motor_shaft_diameter = 0.1968*mm_per_inche,
-			motor_shaft_length = 0.945*mm_per_inche,
-			pilot_diameter = 0.866*mm_per_inche,
-			pilot_length = 0.80*mm_per_inche,
-			mounting_bolt_circle = 1.725*mm_per_inche,
+			motor_shaft_diameter = 0.1968*mm_per_inch,
+			motor_shaft_length = 0.945*mm_per_inch,
+			pilot_diameter = 0.866*mm_per_inch,
+			pilot_length = 0.80*mm_per_inch,
+			mounting_bolt_circle = 1.725*mm_per_inch,
 			bolt_hole_size = 3.5,
-			bolt_hole_distance = 1.220*mm_per_inche,
+			bolt_hole_distance = 1.220*mm_per_inch,
 			slide_distance = slide_distance,
 			mochup = mochup);
 	}
 	if (nema_standard == 23)
 	{
 		_stepper_motor_mount(
-			motor_shaft_diameter = 0.250*mm_per_inche,
-			motor_shaft_length = 0.81*mm_per_inche,
-			pilot_diameter = 1.500*mm_per_inche,
-			pilot_length = 0.062*mm_per_inche,
-			mounting_bolt_circle = 2.625*mm_per_inche,
-			bolt_hole_size = 0.195*mm_per_inche,
-			bolt_hole_distance = 1.856*mm_per_inche,
+			motor_shaft_diameter = 0.250*mm_per_inch,
+			motor_shaft_length = 0.81*mm_per_inch,
+			pilot_diameter = 1.500*mm_per_inch,
+			pilot_length = 0.062*mm_per_inch,
+			mounting_bolt_circle = 2.625*mm_per_inch,
+			bolt_hole_size = 0.195*mm_per_inch,
+			bolt_hole_distance = 1.856*mm_per_inch,
 			slide_distance = slide_distance,
 			mochup = mochup);
 	}