diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n3/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n3/textbook.fr.md
index 4986db83a..036c12777 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n3/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n3/textbook.fr.md
@@ -1,7 +1,7 @@
 ---
 title: Brainstorming pour structurer une thème "Electromagnétisme"
 published: true
-routable: false
+routable: true
 visible: false
 lessons:
     - slug: brainstorming-n1234-electromagnetism