diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.fr.md
index 6d96a844f..b1515eb09 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/textbook.fr.md
@@ -20,7 +20,7 @@ lessons:
 --------------------
 
 ! Voir cette page :   
-! en espagnol : https://m3p2.com/es/lessons/define-g12-mathematical-tools  
+! en espagnol : https://m3p2.com/es/lessons/define-g12-mathematical-tools-p1  
 ! en anglais :  https://m3p2.com/en/lessons/define-g12-mathematical-tools
 
 #### Avant-propos