diff --git a/10.brainstorming-innovative-courses/intercambio-curso-electromagnetismo/textbook.en.md b/10.brainstorming-innovative-courses/intercambio-curso-electromagnetismo/textbook.en.md
index 4f5de7b8c..461bd765a 100644
--- a/10.brainstorming-innovative-courses/intercambio-curso-electromagnetismo/textbook.en.md
+++ b/10.brainstorming-innovative-courses/intercambio-curso-electromagnetismo/textbook.en.md
@@ -95,7 +95,7 @@ FR : $`\vec{F_{Lap}}=I\;\vec{l}\land\vec{B}`$
 
 o / ou 
 
-$`\vec{F_{Lap}}`$ perpendicular a $\vec{l}`$ y $`\vec{B}`$
+$`\vec{F_{Lap}}`$ perpendicular a $`\vec{l}`$ y $`\vec{B}`$
 y $`F=I`\time L \time B`$
 
 **Niveles N3 y N4 :**