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

@@ -57,7 +57,7 @@ $`\hspace{1,6cm}=(10^4kg)\times(10ms^{-2})\times (30m)`$.
 
 * Énergie exprimée **en kilowatt-heure** :   
 <br>
-**$\mathbf{E_{\,stock}^{\,grav}}`$***$`\mathbf{=3\times 10^6\,J}$*
+**$\mathbf{E_{\,stock}^{\,grav}}`$** *$`\mathbf{=3\times 10^6\,J}$*
 <br>
 $`\hspace{1,6cm}== (3\times 10^6\,J)\times \mathcal{F}_{J\rightarrow kWh}`$   
 <br>