Update textbook.fr.md

01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/01.maxwell-equations/01.maxwell-equations-main/textbook.fr.md

@@ -18,7 +18,7 @@ $`\left \{
 
 $`\left \{
    \begin{array}{r c l}
-      MagnétoStatique  & \; & Maxwell's equations \\
+      MagnétoStatique  & \; & \text{Maxwell's equations} \\
       div \overrightarrow{E} = \dfrac{\rho}{\epsilon_0}  & \; & div \overrightarrow{E} = \dfrac{\rho}{\epsilon_0} \\
       \overrightarrow{rot} \;\overrightarrow{E} =0 & \; & \overrightarrow{rot} \;\overrightarrow{E} = -\dfrac{\partial \overrightarrow{B}}{\partial t}
    \end{array}