diff --git a/docs/en/1515/corner.md b/docs/en/1515/corner.md
index ffd2dcf1..13be7092 100644
--- a/docs/en/1515/corner.md
+++ b/docs/en/1515/corner.md
@@ -10,9 +10,6 @@ This **1515 Corner** is a type of connector for 1515 Aluminum Extrusion. It coul

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-*Notice: We don't offer tapping Aluminium-Extrusions by default, in order to make the M4 screw fixed in the Aluminium-Extrusions , you need to tap the Aluminium-Extrusions with tapping machine,please refer to the picture below*
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