diff --git a/BLTouch-Installation-(english).md b/BLTouch-Installation-(english).md
index 4d170c1..61e5593 100644
--- a/BLTouch-Installation-(english).md
+++ b/BLTouch-Installation-(english).md
@@ -137,11 +137,11 @@ For the next steps we need the printer, a PC and Pronterface
 9. If the sensor has triggered and flashes: **M280 P0 S160**
 10. **M114** = Current position of the nozzle -> note! (e.g. Recv: X:40.00 Y:40.00 Z:1.30 E:0.00 Count X:3200 Y:3200 Z:520)
 11. **G90**
-12. **G1 X38 Y15 F4000** (values ​​from point 10 + offset of the sensor, i.e. X=40-2 and Y=40-25)
+12. **G1 X38 Y15 F4000** (values ​​from point 10 **+** offset of the sensor, i.e. X=40+(-2) and Y=40+(-25))
 13. **G91**
 14. Place a sheet of paper under the nozzle
 15. Slowly lower the nozzle with **G1 Z-1** or **G1 Z-0.1** or **G1 Z-0.02** until the paper is difficult to move.
-16. **M114** = Current position of the nozzle -> note! (e.g. Recv: X:42.00 Y:65.00 Z:0.70 E:0.00 Count X:3200 Y:3200 Z:520)
+16. **M114** = Current position of the nozzle -> note! (e.g. Recv: X:38.00 Y:15.00 Z:0.70 E:0.00 Count X:3200 Y:3200 Z:520)
 17. Subtract the Z value from point 16 from that from point 10 -> 1.30 - 0.7 = **0.6 mm** -> This is our Z offset.
 18. **M851 Z-0.6**
 19. **M500**