Improvements to explanations and minor edits

week1/day1.ipynb

@@ -538,16 +538,9 @@
     "\n",
     "If you're not an expert with git (and I am not!) then GPT has given some nice instructions on how to submit a Pull Request. It's a bit of an involved process, but once you've done it once it's pretty clear. As a pro-tip: it's best if you clear the outputs of your Jupyter notebooks (Edit >> Clean outputs of all cells, and then Save) for clean notebooks.\n",
     "\n",
-    "PR instructions courtesy of an AI friend: https://chatgpt.com/share/670145d5-e8a8-8012-8f93-39ee4e248b4c"
+    "Here are good instructions courtesy of an AI friend:  \n",
+    "https://chatgpt.com/share/677a9cb5-c64c-8012-99e0-e06e88afd293"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "682eff74-55c4-4d4b-b267-703edbc293c7",
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {