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 a8b975cd8..2ee71df7a 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
@@ -11,7 +11,7 @@ lessons:
 ---
 
 
-#### Définir les outils mathématiques requis au niveau 1
+#### Définir les outils mathématiques requis au niveau 2
 
 ### Proposition 1