Update...

Update 12.temporary_ins/80.energie-transformations-applications-impacts/20.n2/50.energy-mix/40.TD-hydroelectricity/20.gravitational-energy-storage/40.parallel-1/cheatsheet.fr.md

12.temporary_ins/80.energie-transformations-applications-impacts/20.n2/50.energy-mix/40.TD-hydroelectricity/20.gravitational-energy-storage/40.parallel-1/cheatsheet.fr.md

@@ -49,7 +49,7 @@ $`\def\PSclosed{\mathscr{S}_{\displaystyle\tiny\bigcirc}}`$
 
 * Énergie exprimée *en Joule* :   
 <br>
-*$\mathbf{E_{\,stock}^{\,grav}=mgH}`$*.  
+*$`\mathbf{E_{\,stock}^{\,grav}=mgH}`$*.  
 <br>
 $`\hspace{1,6cm}=(10^4kg)\times(10ms^{-2})\times (30m)`$.   
 <br>