From ee2e3faf28737cf2e651aad25531b68ea8091ede Mon Sep 17 00:00:00 2001
From: Claude Meny <claude.meny@irap.omp.eu>
Date: Mon, 31 Aug 2020 18:31:07 +0200
Subject: [PATCH] Update textbook.fr.md

---
 .../04.reference-frames-coordinate-systems/textbook.fr.md       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/textbook.fr.md
index a3459f033..ac7336bdc 100644
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/04.reference-frames-coordinate-systems/textbook.fr.md
@@ -320,7 +320,7 @@ $`\quad\overrightarrow{dS}\quad`$,$`\quad\overrightarrow{d^2S}\quad`$
 [ES] Según la dirección elegida, los **elementos escalares de superficie $`dA`$** en coordenadas cartesianas son :<br>
 [FR] Selon la direction choisie, les **éléments scalaires de surface $`dA`$** en coordonnées cartésiennes sont :<br>
 [EN] According to the chosen direction, the **scalar surface elements $`dA`$** in Cartesian coordinates are :<br>
-<br>$`dA_{xy}=dl_x\;dly=dx\;dy\quad`$, $`\quad dA_{xz}=dl_x\;dlz=dx\;dz\quad`$, $`\quad dA_{yz}=dl_y\;dlz=dy\;dz`$<br>
+<br>$`dA_{xy}=dl_x\;dl_y=dx\;dy\quad`$, $`\quad dA_{xz}=dl_x\;dl_z=dx\;dz\quad`$, $`\quad dA_{yz}=dl_y\;dl_z=dy\;dz`$<br>
 <br>http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=102-05-07.<br>
 [ES] y los **elementos vectoriales de superficie $`\overrightarrow{dA}`$** correspondiente son :<br>
 [FR] et les **éléments vectoriels de surface $`\overrightarrow{dA}`$** correspondants sont :<br>