diff --git a/Notebooks/Chap04/4_3_Deep_Networks.ipynb b/Notebooks/Chap04/4_3_Deep_Networks.ipynb
index c5ff7ca..cf65528 100644
--- a/Notebooks/Chap04/4_3_Deep_Networks.ipynb
+++ b/Notebooks/Chap04/4_3_Deep_Networks.ipynb
@@ -118,7 +118,7 @@
     {
       "cell_type": "markdown",
       "source": [
-        "Let's define a networks.  We'll just consider the inputs and outputs over the range [-1,1].  If you set the \"plot_all\" flat to True,  you can see the details of how it was created."
+        "Let's define a network.  We'll just consider the inputs and outputs over the range [-1,1].  If you set the \"plot_all\" flat to True,  you can see the details of how it was created."
       ],
       "metadata": {
         "id": "LxBJCObC-NTY"