diff --git a/ps12-2.py b/ps12-2.py
index 3d959e7..de5e8ff 100644
--- a/ps12-2.py
+++ b/ps12-2.py
@@ -39,13 +39,13 @@ expect_xs = []
 for i, psi in enumerate(psi_funcs):
     expect_x = np.sum(np.conjugate(psi) * x_vals * psi)
     expect_xs.append(expect_x)
-    print(f'expect_x_{i} = {expect_x}')
+    print(f'<x>_{i} = {expect_x}')
 
 expect_x_sqrds = []
 for i, psi in enumerate(psi_funcs):
     expect_x_sqrd = np.sum(np.conjugate(psi) * x_vals ** 2 * psi)
     expect_x_sqrds.append(expect_x_sqrd)
-    print(f'expect_x_{i} = {expect_x_sqrd}')
+    print(f'<x^2>_{i} = {expect_x_sqrd}')
 
 for i, psi in enumerate(psi_funcs):
     sigma_x = np.sqrt(expect_x_sqrds[i] - expect_xs[i] ** 2)