diff --git a/src/1_einstein_model.md b/src/1_einstein_model.md
index 5a4baa187392b57768c514a964f10634b13bfd42..46427dcb87cee95c5ebfd324210cbf5d101d4581 100644
--- a/src/1_einstein_model.md
+++ b/src/1_einstein_model.md
@@ -258,7 +258,7 @@ ax2.plot(temps, 1/2 + 1/(np.exp(1/temps)-1), '-', xline, yline, 'r--')
 ax2.set_ylim(bottom=0)
 ax2.set_xlabel('$k_B T$')
 ax2.set_xticks([0, 1])
-ax2.set_xticklabels(['$0$', r'$\hbar \omega_0$'])
+ax2.set_xticklabels(['$0$'])
 ax2.set_ylabel(r"$\langle E \rangle$")
 ax2.set_yticks([1/2])
 ax2.set_yticklabels([r'$\hbar\omega_0/2$'])