diff --git a/python/20_project_sort_limit.ipynb b/python/20_project_sort_limit.ipynb
index 866097a..0395dbb 100644
--- a/python/20_project_sort_limit.ipynb
+++ b/python/20_project_sort_limit.ipynb
@@ -32,7 +32,7 @@
    "outputs": [],
    "source": [
     "# Import the MongoDB Driver\n",
-    "from pymongo import MongoClient\n",
+    "from pymongo import MongoClient, ASCENDING, DESCENDING\n",
     "\n",
     "# Set your connection String\n",
     "mongoDBURI = \"mongodb://admin:mongodb@localhost:27017/?directConnection=true\";\n",
@@ -52,7 +52,7 @@
    "id": "4",
    "metadata": {},
    "source": [
-    "## Sort books by descending number of pages"
+    "## Sort books by ascending number of pages"
    ]
   },
   {
@@ -67,7 +67,33 @@
     "    \"pages\": 1\n",
     "}\n",
     "\n",
-    "cursor = books.find({}, projection).sort(\"pages\", -1).limit(10)\n",
+    "cursor = books.find({}, projection).sort(\"pages\", ASCENDING).limit(10)\n",
+    "\n",
+    "for book in cursor:\n",
+    "    print(book)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "bd686877",
+   "metadata": {},
+   "source": [
+    "## Sort books by descending number of pages"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "40544ad2",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "projection = {\n",
+    "    \"title\": 1,\n",
+    "    \"pages\": 1\n",
+    "}\n",
+    "\n",
+    "cursor = books.find({}, projection).sort(\"pages\", DESCENDING).limit(10)\n",
     "\n",
     "for book in cursor:\n",
     "    print(book)"