diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/40.n4/12.en/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/40.n4/12.en/textbook.fr.md
index ec41a3270..64b38bc81 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/40.n4/12.en/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/40.n4/12.en/textbook.fr.md
@@ -4,11 +4,11 @@ published: true
 routable: true
 visible: false
 lessons:
-    - slug: brainstorming-234-mathematical-tools
+    - slug: define-234-mathematical-tools
       order: 3
 ---
 
-#### Brainstorming on the mathematical tools required at level 4
+#### Define the mathematical tools required at level 4
 
 --------------------------------