diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/11.es/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/11.es/textbook.fr.md
index 92ae2b995..4dc7d97db 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/11.es/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/10.n1/11.es/textbook.fr.md
@@ -3,12 +3,16 @@ title: Brainstorming sur les outils mathématiques requis à chaque niveau
 published: true
 routable: true
 visible: false
+---
+
+<!-------------------------------------------
 lessons:
     - slug: definir-g12-herramienta-matematica
       order: 2
     - slug: define-1-mathematical-tools-polyglot
       order: 2
----
+--------------------------------------------->
+
 
 #### Definir las herramientas matemáticas necesarias en el nivel 1