diff --git a/completed/Section 1 - Differential Privacy.ipynb b/completed/Section 1 - Differential Privacy.ipynb
index 9e62221..28591fc 100644
--- a/completed/Section 1 - Differential Privacy.ipynb	
+++ b/completed/Section 1 - Differential Privacy.ipynb	
@@ -701,7 +701,7 @@
     "    \n",
     "    true_result = torch.mean(db.float())\n",
     "\n",
-    "    first_coin_flip = (torch.rand(len(db)) < noise).float()\n",
+    "    first_coin_flip = (torch.rand(len(db)) > noise).float()\n",
     "    second_coin_flip = (torch.rand(len(db)) < 0.5).float()\n",
     "\n",
     "    augmented_database = db.float() * first_coin_flip + (1 - first_coin_flip) * second_coin_flip\n",