diff --git a/Hardware/readme.md b/Hardware/readme.md
index 684791ff9dd28bda656cbbd5257d3c8079c89571..7f488d47b55cc8725eacc202ac63c96dc89e01f2 100644
--- a/Hardware/readme.md
+++ b/Hardware/readme.md
@@ -57,6 +57,8 @@ We need to drill two holes to the lids. The hole at front lid will be used for t
 
 ### ASTM Holders
 
+### Lead Trajectories
+
 ### Bill of Materials
 
 [Table-1](#tabImp): Bill of materials of the implant