diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/20.n1/20.fr/10.main/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/20.n1/20.fr/10.main/textbook.fr.md
index fa894468a..076f141a8 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/20.n1/20.fr/10.main/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/20.n1/20.fr/10.main/textbook.fr.md
@@ -6,7 +6,6 @@ visible: false
 lessons:
     - slug: mecanique-classique-n1-linear
       order: 1
-lessons:
     - slug: mecanique-classique-123-panorama
       order: 1
     - slug: classical-mechanics-n1-exchange