diff --git a/_Sidebar.md b/_Sidebar.md
index 79090ca..8db608f 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -1,4 +1,10 @@
 # Index
+### User manual
+- English
+- French/Français
+- German/Deutch
+
+### Development
 - [LogarithmPlotter file format v1.0](LogarithmPlotter-file-format-v1.0)
 - [Adding new objects](adding-new-objects)
 - [Adding new history actions](adding-new-history-action)
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