diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/10.mathematical-tools/10.vector-analysis/main/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/10.mathematical-tools/10.vector-analysis/main/textbook.fr.md
index c952af67a..8f85c3ab8 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/10.mathematical-tools/10.vector-analysis/main/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/10.mathematical-tools/10.vector-analysis/main/textbook.fr.md
@@ -882,7 +882,9 @@ $`\vec{U}`$, $`\vec{V}`$ et $`\vec{W}`$ ordonnés en colonne :
 
 $`(\vec{U},\vec{V},\vec{W})=\begin{vmatrix} U_1 & U_2 & U_3\\
 V_1 & V_2 & V_3\\W_1 & W_2 & W_3\end{vmatrix}`$
-$`=U_3 V_1 W_2 + U_1 V_2 W_3 + U_2 V_3 W_1 - U_2 V_1 W_3 `$$`\;- U_3 V_2 W_1 `$$`\;- U_1 V_3 W_2`$
+$`=U_3 V_1 W_2 + U_1 V_2 W_3 + U_2 V_3 W_1 - U_2 V_1 W_3`$
+$`\;- U_3 V_2 W_1 `$$`\;- U_1 V_3 W_2`$
+
 
 * *MATO3-VA-321*