Update 5_atoms_and_lcao_solutions.md

src/5_atoms_and_lcao_solutions.md

@@ -27,7 +27,7 @@ $$
 
   Where $κ = \sqrt{\frac{-2mE}{ħ^2}} = \frac{mV_0}{ħ^2}$.
 
-  The energy is given by $ϵ_1 = ϵ_2 = -\frac{mV_0}{ħ^2}$
+  The energy is given by $ϵ_1 = ϵ_2 = -\frac{mV_0}{2ħ^2}$
 
   The wave function of a single delta peak is given by