diff --git a/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/40.n4/10.brainstorming/textbook.fr.md b/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/40.n4/10.brainstorming/textbook.fr.md
index 861aba73c..56a23906b 100644
--- a/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/40.n4/10.brainstorming/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/40.n4/10.brainstorming/textbook.fr.md
@@ -1,6 +1,11 @@
 ---
-title : 
+title: overview
 published: true
 routable: true
 visible: false
----
\ No newline at end of file
+lessons: 
+   - slug: set-systems-234-brainstorming-panorama
+     order: 3
+---
+
+### Des ensembles aux systèmes : niveau 4
\ No newline at end of file