diff --git a/Notebooks/Chap03/3_1_Shallow_Networks_I.ipynb b/Notebooks/Chap03/3_1_Shallow_Networks_I.ipynb
index b4f2de1..7e76dea 100644
--- a/Notebooks/Chap03/3_1_Shallow_Networks_I.ipynb
+++ b/Notebooks/Chap03/3_1_Shallow_Networks_I.ipynb
@@ -4,7 +4,7 @@
   "metadata": {
     "colab": {
       "provenance": [],
-      "authorship_tag": "ABX9TyM+98aMABiK5vNFFYAwiPiL",
+      "authorship_tag": "ABX9TyPZo7Ag7Iup8B1mSUSP82+q",
       "include_colab_link": true
     },
     "kernelspec": {
@@ -226,7 +226,7 @@
       "source": [
         "Now let's play with the parameters to make sure we understand how they work.  The original  parameters were:\n",
         "\n",
-        "$\\theta_{10} =  0.3$ ; $\\theta_{20} = -1.0$<br>\n",
+        "$\\theta_{10} =  0.3$ ; $\\theta_{11} = -1.0$<br>\n",
         "$\\theta_{20} =  -1.0$ ; $\\theta_{21} = 2.0$<br>\n",
         "$\\theta_{30} =  -0.5$ ; $\\theta_{31} = 0.65$<br>\n",
         "$\\phi_0 = -0.3; \\phi_1 = 2.0; \\phi_2 = -1.0; \\phi_3 = 7.0$"