Update...

Update 12.temporary_ins/41.classical-analytical-mechanics/20.classical-lagrangian-mechanics/20.lagrangian-mechanics-application/05.lagrangian-mechanics-method/10.main/textbook.fr.md

12.temporary_ins/41.classical-analytical-mechanics/20.classical-lagrangian-mechanics/20.lagrangian-mechanics-application/05.lagrangian-mechanics-method/10.main/textbook.fr.md

@@ -43,6 +43,6 @@ $`\def\PSclosed{\mathscr{S}_{\displaystyle\tiny\bigcirc}}`$
 
 ---------------------------
 
-### Application de la mécanique lagrangienne : méthode
+### Application de la mécanique classique lagrangienne : méthode