Update cheatsheet.fr.md

12.temporary_ins/20.magnetostatics-vacuum/40.ampere-theorem-applications/30.cylindrical-current-distributions/10.rectilinear-current/20.ampere-local/20.overview/cheatsheet.fr.md

@@ -204,11 +204,11 @@ P_1\,(M, \overrightarrow{e_{\rho}}, \overrightarrow{e_z})\; \text{plan de symét
 <br>
 **$`\begin{align}
 \mathbf{\overrightarrow{rot}\,\overrightarrow{B}}
-&\boldsymbol{\mathbf{=\left(\dfrac{1}{\rho}\,\dfrac{\partial B_z}{\partial\varphi}\;-\;\dfrac{\partial B_{\varphi}}{\partial z}\right)\,\overrightarrow{e_{\rho}}}}\\
+&\boldsymbol{\mathbf{\;=\left(\dfrac{1}{\rho}\,\dfrac{\partial B_z}{\partial\varphi}\;-\;\dfrac{\partial B_{\varphi}}{\partial z}\right)\,\overrightarrow{e_{\rho}}}}\\
 \\
-&\boldsymbol{\mathbf{\quad +\left(\dfrac{\partial B_{\rho}}{\partial z}\;-\;\dfrac{\partial B_z}{\partial \rho}\right)\,\overrightarrow{e_{\varphi}}}}\\
+&\boldsymbol{\mathbf{\quad\; +\left(\dfrac{\partial B_{\rho}}{\partial z}\;-\;\dfrac{\partial B_z}{\partial \rho}\right)\,\overrightarrow{e_{\varphi}}}}\\
 \\
-&\boldsymbol{\mathbf{\quad +
+&\boldsymbol{\mathbf{\quad\; +
 \,\dfrac{1}{\rho}\,\left(\dfrac{\partial (\,\rho\,B_{\varphi})}{\partial \rho}\;-\;\dfrac{\partial B_{\rho}}{\partial \varphi}\right)
 \,\overrightarrow{e_z}}}
 \end{align}`$**