diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.es.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.es.md
index 7a42b4954..b9b586981 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.es.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.es.md
@@ -57,9 +57,9 @@ Para **comunicar mis propuestas**, ya sea :
    * Si prefiere *ver en pantalla completa cada columna* de esta página, vaya a :  
 Para esta *columna de instrucciones*: https://m3p2.com/es/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/first-steps   
 Para el *nivel 1* : https://m3p2.com/es/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n1/brainstorming/p1   
-Para el *nivel 2* : https://m3p2.com/es/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n2brainstorming/p1      
-Para el *nivel 3* : https://m3p2.com/es/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n3brainstorming/p1       
-Para el *nivel 4* : https://m3p2.com/es/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n4brainstorming/p1       
+Para el *nivel 2* : https://m3p2.com/es/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n2/brainstorming/p1      
+Para el *nivel 3* : https://m3p2.com/es/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n3/brainstorming/p1       
+Para el *nivel 4* : https://m3p2.com/es/brainstorming-pedagogical-teams/synthesis-structuring/math-tools/n4/brainstorming/p1       
 luego *para contribuir*, haga clic en "*Editar este curso*" en la parte inferior de la página. 
 
 * *En el Googledoc M3P2* vinculado a usted.