diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/20.n2/10.brainstorming/textbook.es.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/20.n2/10.brainstorming/textbook.es.md
index 2fdb6fde5..de69f4f93 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/20.n2/10.brainstorming/textbook.es.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/30.classical-mechanics/20.n2/10.brainstorming/textbook.es.md
@@ -57,11 +57,6 @@ Bloque-4 - _Título posible :_ ?
          _Elementos del programa, o estructuración en capítulos :_   
          _¿Para quién? :_ 
          
-Bloc-4 - _Títre possible :_ ?  
-         _Brève description :_      
-         _Elements de programme, ou structure en chapitre :_   
-         _¿Pour qui? :_ 
-         
          
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