diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/40.n4/10.brainstorming/01.p1/textbook.es.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/40.n4/10.brainstorming/01.p1/textbook.es.md
index 7addac92b..455bd45f3 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/40.n4/10.brainstorming/01.p1/textbook.es.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/40.n4/10.brainstorming/01.p1/textbook.es.md
@@ -65,15 +65,15 @@ $`\left(\overrightarrow{e_i}=\dfrac{\overrightarrow{a_i}}{\lVert \overrightarrow
 
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@@ -89,15 +89,15 @@ RÉAGIR :
 
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 * *Traza* de una matriz
 * *firma* de una matriz 
 
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