diff --git a/Notebooks/Chap05/5_2_Binary_Cross_Entropy_Loss.ipynb b/Notebooks/Chap05/5_2_Binary_Cross_Entropy_Loss.ipynb
index c21b04c..c5a2bd6 100644
--- a/Notebooks/Chap05/5_2_Binary_Cross_Entropy_Loss.ipynb
+++ b/Notebooks/Chap05/5_2_Binary_Cross_Entropy_Loss.ipynb
@@ -66,7 +66,7 @@
         "  return activation\n",
         "\n",
         "# Define a shallow neural network\n",
-        "def shallow_nn(x, beta_0, omega_0, beta_1, omaga_1):\n",
+        "def shallow_nn(x, beta_0, omega_0, beta_1, omega_1):\n",
         "    # Make sure that input data is (1 x n_data) array\n",
         "    n_data = x.size\n",
         "    x = np.reshape(x,(1,n_data))\n",
@@ -438,4 +438,4 @@
       }
     }
   ]
-}
\ No newline at end of file
+}