Update textbook.fr.md

00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/50.electromagnetism/40.n4/10.main/textbook.fr.md

@@ -356,19 +356,14 @@ $`fem = \mathcal{C}_E = \mathcal{E}
 $`\displaystyle\iiint_{\tau} div\;\overrightarrow{X} \cdot d\tau = \displaystyle 
 \oiint_{S\leftrightarrow\tau} \overrightarrow{X}\cdot\overrightarrow{dS}`$
 
-Stokes' theorem = 
+Stokes' theorem , for all vectorial field $`\vec{X}`$ :
 
-for all vectorial field $`\vec{X}`$, 
-
-$`\displaystyle\iint_{S\,orient.} \;\overrightarrow{rot}\;\overrightarrow{X} \cdot dS = \displaystyle 
+$`\displaystyle\iint_{S} \;\overrightarrow{rot}\;\overrightarrow{X} \cdot dS = \displaystyle 
 \oint_{\Gamma\leftrightarrow S} \overrightarrow{X}\cdot\overrightarrow{dl}`$
 
-
-
-$`\displaystyle\oint_{\Gamma\,orient.}\overrightarrow{H} \cdot \overrightarrow{dl}=
+$`\displaystyle\oint_{\Gamma}\overrightarrow{H} \cdot \overrightarrow{dl}=
 \underset{S\leftrightarrow\Gamma}{\iint{\overrightarrow{j}\cdot\overrightarrow{dS}}}`$
 
-
 $`\displaystyle\left. \dfrac{dQ}{dt}\right|_S   =\oint_S \vec{j} \cdot \vec{dS}`$