diff --git a/solutions/object_oriented_design/parking_lot/parking_lot.ipynb b/solutions/object_oriented_design/parking_lot/parking_lot.ipynb
index 4613b79b..f9f82839 100644
--- a/solutions/object_oriented_design/parking_lot/parking_lot.ipynb
+++ b/solutions/object_oriented_design/parking_lot/parking_lot.ipynb
@@ -29,7 +29,9 @@
     "    * Large spot -> Motorcycle, Car\n",
     "    * Bus can park if we have 5 consecutive \"large\" spots\n",
     "* Does the parking lot have multiple levels?\n",
-    "    * Yes"
+    "    * Yes\n",
+    "* Does the parking lot should track vehicles?\n",
+    "    * Yes, by vehicle license plate"
    ]
   },
   {