diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n4/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n4/textbook.fr.md
index 9563510ee..786d8d5d7 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n4/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n4/textbook.fr.md
@@ -4,8 +4,8 @@ published: true
 routable: true
 visible: false
 lessons:
-    - slug: brainstorming-n1234-electromagnetism
-      order: 4
+    - slug: brainstorming-234-electromagnetism
+      order: 3
 ---
 
 #### Brainstorming pour structurer un thème "Electromagnétisme" : niveau 4