diff --git a/docs/examples/notebooks/learn/UsingCalculators.ipynb b/docs/examples/notebooks/learn/UsingCalculators.ipynb
index f78f33ef05..f955384d6d 100644
--- a/docs/examples/notebooks/learn/UsingCalculators.ipynb
+++ b/docs/examples/notebooks/learn/UsingCalculators.ipynb
@@ -385,7 +385,7 @@
     }
    ],
    "source": [
-    "p_sb, p_b, p_s = asymp_calc.pvalues(teststat, sb_dist, b_dist)\n",
+    "p_sb, p_b, p_s = toy_calc.pvalues(teststat, sb_dist, b_dist)\n",
     "\n",
     "print(f'CL_sb = {p_sb}')\n",
     "print(f'CL_b = {p_b}')\n",
@@ -415,7 +415,7 @@
     }
    ],
    "source": [
-    "p_exp_sb, p_exp_b, p_exp_s = asymp_calc.expected_pvalues(sb_dist, b_dist)\n",
+    "p_exp_sb, p_exp_b, p_exp_s = toy_calc.expected_pvalues(sb_dist, b_dist)\n",
     "\n",
     "print(f'exp. CL_sb = {p_exp_sb}')\n",
     "print(f'exp. CL_b = {p_exp_b}')\n",