diff --git a/ipynb/Mean Misanthrope Density.ipynb b/ipynb/Mean Misanthrope Density.ipynb
index 07a3bf8..846ab78 100644
--- a/ipynb/Mean Misanthrope Density.ipynb	
+++ b/ipynb/Mean Misanthrope Density.ipynb	
@@ -760,7 +760,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Let's measure the deltas for the simulation results (and the `estimated_sensity` results) compared to the actual `density` results:"
+    "Let's measure the deltas for the simulation results (and the `estimated_density` results) compared to the actual `density` results:"
    ]
   },
   {
@@ -925,7 +925,7 @@
     "def simulate_archery(previous_arrows=()) -> int:\n",
     "    \"\"\"Simulate the archery tournament and return the number of arrows fired.\"\"\"\n",
     "    arrow = random_arrow()\n",
-    "    if any(abs(arrow) > distance(a) for a in previous_arrows):\n",
+    "    if any(distance(arrow) > distance(a) for a in previous_arrows):\n",
     "        return len(previous_arrows) + 1\n",
     "    else:\n",
     "        return simulate_archery([*previous_arrows, arrow])"