diff --git a/module1.ipynb b/module1.ipynb
index 2ddab87..07ca049 100644
--- a/module1.ipynb
+++ b/module1.ipynb
@@ -275,11 +275,7 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {
-    "jupyter": {
-     "source_hidden": true
-    }
-   },
+   "metadata": {},
    "source": [
     "# Practical Application of diff and patch\n",
     "\n",
@@ -301,6 +297,7 @@
     "\n",
     "## **File with code**\n",
     "\n",
+    "```\n",
     "#!/usr/bin/env python3\n",
     "\n",
     "import shutil\n",
@@ -337,10 +334,6 @@
     "\n",
     "return 0\n",
     "\n",
-    "\n",
-    "\n",
-    "\n",
-    "```\n",
     "./disk\\_usage\\_fixed.py \n",
     "\n",
     "#this throws an error\n",
@@ -360,7 +353,7 @@
     "## File with code\n",
     "\n",
     "The instructor adds import sys at the beginning, then change return 1 to sys.exit(1) and return 0 to sys.exit(0).\n",
-    "\n",
+    "```\n",
     "#!/usr/bin/env python3\n",
     "\n",
     "import shutil\n",
@@ -399,8 +392,6 @@
     "\n",
     "sys.exit(0)\n",
     "\n",
-    "\n",
-    "```\n",
     "./disk\\_usage\\_fixed.py\n",
     "```\n",
     "\n",
@@ -412,7 +403,7 @@
     "## File with code\n",
     "\n",
     "Instructor changed change check\\_disk\\_usage(\"/\", 2\\*2\\*\\*30, 10) in previous file to check\\_disk\\_usage(\"/\", 2, 10).\n",
-    "\n",
+    "```\n",
     "#!/usr/bin/env python3\n",
     "\n",
     "import shutil\n",
@@ -451,8 +442,6 @@
     "\n",
     "sys.exit(0)\n",
     "\n",
-    "\n",
-    "```\n",
     "./disk\\_usage\\_fixed.py \n",
     "```\n",
     "\n",