diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/20.n2/10.brainstorming/01.p1/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/20.n2/10.brainstorming/01.p1/textbook.fr.md
index e6fbd0803..21cdc718b 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/20.n2/10.brainstorming/01.p1/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/20.n2/10.brainstorming/01.p1/textbook.fr.md
@@ -10,10 +10,11 @@ lessons:
       order: 1
 ---
 
+#### Proposition 1
 
-#### Définir les outils mathématiques requis au niveau 2
+--------------------------------------------------------
 
-### Proposition 1
+#### Définir les outils mathématiques requis au niveau 2
 
 --------------------------------------------------------