diff --git a/module5.ipynb b/module5.ipynb
index 02eb818..280f5e7 100644
--- a/module5.ipynb
+++ b/module5.ipynb
@@ -333,6 +333,13 @@
     "./rearrange_test.py "
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Other Test Concepts"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -515,6 +522,13 @@
     "print(test_results)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Errors and Exceptions"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},