diff --git a/docs/en/accessory/screw.md b/docs/en/accessory/screw.md
index 29ffb2b5..029fd8be 100644
--- a/docs/en/accessory/screw.md
+++ b/docs/en/accessory/screw.md
@@ -12,14 +12,14 @@
 ##  Product Features
 
 -  Specification:
-      - 2x M2-32
-      - 2x M2-25
-      - 2x M2-18
-      - 2x M2-12
-      - 2x M2-22
-      - 2x M2-28
-      - 2x M2-35
-      - 2x M2-16
+      - 2x M3-32
+      - 2x M3-25
+      - 2x M3-18
+      - 2x M3-12
+      - 2x M3-22
+      - 2x M3-28
+      - 2x M3-35
+      - 2x M3-16
 
 
 ## Specification