Update unit8_part1.ipynb

notebooks/unit8/unit8_part1.ipynb

@@ -206,7 +206,7 @@
       },
       "source": [
         "## Install dependencies 🔽\n",
-        "For this exercise, we use `gym==0.21`\n"
+        "For this exercise, we use `gym==0.21` because the video was recorded using Gym.\n"
       ]
     },
     {
@@ -1275,6 +1275,7 @@
       },
       "source": [
         "## Let's start the training 🔥\n",
+        "- ⚠️ ⚠️ ⚠️  Don't use **the same repo id with the one you used for the Unit 1** \n",
         "- Now that you've coded from scratch PPO and added the Hugging Face Integration, we're ready to start the training 🔥"
       ]
     },
@@ -1366,4 +1367,4 @@
   },
   "nbformat": 4,
   "nbformat_minor": 0
-}
+}