diff --git a/Technical_Details_Sidebar.md b/Technical_Details_Sidebar.md
index 5a1d577..4ff5bcd 100644
--- a/Technical_Details_Sidebar.md
+++ b/Technical_Details_Sidebar.md
@@ -1,3 +1,5 @@
+# Technical Details
+
 These are information useful for Maintainers and Developers which does not fit into code comments
 
 [[Tensor-Encoding-Schemes]]
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