diff --git a/module1.ipynb b/module1.ipynb
index b7bdd03..490df67 100644
--- a/module1.ipynb
+++ b/module1.ipynb
@@ -14,7 +14,8 @@
     "\n",
     "You can follow along in the reading as the instructor discusses the code or review the code after watching the video.\n",
     "\n",
-    "```\n",
+    "```bash\n",
+    "\n",
     "cat rearrange1.py \n",
     "```\n",
     "\n",
@@ -52,7 +53,7 @@
     "\n",
     "1\n",
     "\n",
-    "```\n",
+    "```bash\n",
     "cat rearrange2.py \n",
     "```\n",
     "\n",
@@ -72,7 +73,8 @@
     "\n",
     "    return \"{} {}\".format(result\\[2\\], result\\[1\\])\n",
     "\n",
-    "```\n",
+    "\n",
+    "```bash\n",
     "diff rearrange1.py rearrange2.py \n",
     "```\n",
     "\n",
@@ -87,7 +89,7 @@
     "\\>     result = re.search(r\"^(\\[\\\\w .-\\]\\*), (\\[\\\\w .-\\]\\*)$\", name)\n",
     "\n",
     "\n",
-    "```\n",
+    "```bash\n",
     "diff validations1.py validations2.py \n",
     "```\n",
     "\n",
@@ -111,7 +113,8 @@
     "\n",
     "\\> if username\\[0\\].isnumeric():\n",
     "\n",
-    "```\n",
+    "\n",
+    "```bash\n",
     "diff \\-u validations1.py validations2.py \n",
     "```\n",
     "\n",