diff --git a/README.md b/README.md
index 7303957..7af4cf6 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+
+
 [中文](./README-cn.md)
 # piezo_probe_kossel
 Piezo z probe for kossel 3d printer
@@ -15,7 +17,7 @@ Print the parts below, and assemble follow the instructions.
 - [bottom-blue](./printed_parts/kossel%20E3D%20mount/Z%20PROBE%20-%20piezo%20mount-bottom.stl)
 - [up-green](./printed_parts/kossel%20E3D%20mount/Z%20PROBE%20-%20piezo%20mount-up.stl)
 - [touch-yellow](./printed_parts/kossel%20E3D%20mount/Z%20PROBE%20-%20piezo%20mount-touch.stl)
-### Assemble instuctions
+### Assembly instructions
 - step 1
   - ![step 1](./assembly-1.jpg)
 - step 2