Update 14_doping_and_devices_solutions.md

src/14_doping_and_devices_solutions.md

@@ -46,7 +46,7 @@ $$ n_e = n_h = n_i $$
 Now,
 $$ n_D^{\ast} = N_D (1-\frac{1}{e^({E_D-E_F})/k_BT+1})$$
 $$ n_A^{\ast} = N_A (1-\frac{1}{e^({E_F-E_A})/k_BT+1})$$
-$\ast$ indicated non-ionized concentrations.
+$\ast$ indicates non-ionized concentrations.
 ### Subquestion 3
 
 Use Germianium Fermi Energy at room temperature and perform the