Update cheatsheet.fr.md

12.temporary_ins/90.electromagnetism-in-vacuum/10.maxwell-equations/20.overview/cheatsheet.fr.md

@@ -73,7 +73,7 @@ RÉSUMÉ
   $`\left\{\begin{array}{l}
 div \overrightarrow{E} = \dfrac{\dens}{\epsilon_0}\quad (Maxwell-Gauss)\\
 div \overrightarrow{B} = 0\quad (Maxwell-flux)\\
-\overrightarrow{rot} \;\overrightarrow{B} = \mu_0\;\overrightarrow{j} + \mu_0 \epsilon_0 \;\dfrac{\partial \overrightarrow{E}}{\partial t}}\quad\tiny{\text{Maxwell-Ampère}\\
+\overrightarrow{rot} \;\overrightarrow{B} = \mu_0\;\overrightarrow{j} + \mu_0 \epsilon_0 \;\dfrac{\partial \overrightarrow{E}}{\partial t}\quad\tiny{\text{Maxwell-Ampère}\\
   \end{array}\right.`$  
 
   $`\mathbf{div \overrightarrow{E} = \dfrac{\dens}{\epsilon_0}}\quad\tiny{Maxwell-Gauss}}\\