From ae259b285c1399ddff60a2d0033ffebbd14dfa91 Mon Sep 17 00:00:00 2001
From: Claude Meny <claude.meny@irap.omp.eu>
Date: Sun, 30 Aug 2020 10:57:58 +0200
Subject: [PATCH] Update textbook.fr.md

---
 .../04.reference-frames-coordinate-systems/textbook.fr.md      | 3 ++-
 1 file changed, 2 insertions(+), 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 a88272ea0..0792ca1ec 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
@@ -297,8 +297,9 @@ $`A=\displaystyle\iint_{S_{\smallsmile}} dA`$<br>
 [ES] Esta diferencia en la escritura es muy importante. Por ejemplo en electromagnetismo :<br>
 [FR] Cette différence d'écriture est très importante. Par exemple en électromagnétisme :<br>
 [EN] This difference in writing is very important. For example in electromagnetism :<br>
-$`\forall S_{\circ}  \oiint_{S_{\smallsmile}} \overrightarrow{B}\cdot\overrightarrow{dA}=0`$,<br>
+$`\forall S_{\circ}  \oiint_{S_{\smallsmile}} \overrightarrow{B}\cdot\overrightarrow{dA}=0`$, 
 en general $`\iint_{S_{\smallsmile}} \overrightarrow{B}\cdot\overrightarrow{dA}\cancel{=} 0`$
+$`\iint_{S_{\smallsmile}} \overrightarrow{B}\cdot\overrightarrow{dA} != 0`$