diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/textbook.es.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/textbook.es.md
index f186d5b61..85878484f 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/textbook.es.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/textbook.es.md
@@ -3,10 +3,14 @@ title: Brainstorming sur les outils mathématiques requis à chaque niveau
 published: true
 routable: true
 visible: false
+---
+
+<!----------------------------------------------
 lessons:
     - slug: brainstorming-g12-mathematical-tools
       order: 2
----
+----------------------------------------------->
+
 
 #### Lluvia de ideas sobre las herramientas matemáticas necesarias en el nivel 1