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 29f3ea28e..c9674aac8 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
@@ -68,7 +68,6 @@ RESPONDER :
 
 ------------------
 
-!
 ! *Los conjuntos*
 !
 
@@ -106,7 +105,6 @@ RESPONDER :
 
 ------------------
 
-!
 ! *Geometría*
 !
 
@@ -118,7 +116,6 @@ RESPONDER :
 
 ------------------
 
-!
 ! *Las ecuaciones*
 !