diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/12.en/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/12.en/textbook.fr.md
index 54735559e..61432002d 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/12.en/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/12.en/textbook.fr.md
@@ -4,11 +4,11 @@ published: true
 routable: true
 visible: false
 lessons:
-    - slug: brainstorming-123-mathematical-tools
+    - slug: define-g12-mathematical-tools
       order: 2
 ---
 
-#### Brainstorming on the mathematical tools required at level 1
+#### Define the mathematical tools required at level 1
 
 --------------------------------