correct button links for W1D1 Tutorial2, add information on pulling c…

…hanges from github

tutorials/W1D1_Instructions/W1D1_Tutorial2.ipynb

@@ -8,7 +8,7 @@
     "id": "view-in-github"
    },
    "source": [
-    "<a href=\"https://colab.research.google.com/github/neuromatch/course-content-template/blob/main/tutorials/W1D1_Template/W1D1_Tutorial1.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a> &nbsp; <a href=\"https://kaggle.com/kernels/welcome?src=https://raw.githubusercontent.com/neuromatch/course-content-template/main/tutorials/W1D1_Template/W1D1_Tutorial1.ipynb\" target=\"_parent\"><img src=\"https://kaggle.com/static/images/open-in-kaggle.svg\" alt=\"Open in Kaggle\"/></a>"
+    "<a href=\"https://colab.research.google.com/github/neuromatch/course-content-template/blob/main/tutorials/W1D1_Template/W1D1_Tutorial2.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a> &nbsp; <a href=\"https://kaggle.com/kernels/welcome?src=https://raw.githubusercontent.com/neuromatch/course-content-template/main/tutorials/W1D1_Template/W1D1_Tutorial2.ipynb\" target=\"_parent\"><img src=\"https://kaggle.com/static/images/open-in-kaggle.svg\" alt=\"Open in Kaggle\"/></a>"
    ]
   },
   {
@@ -139,6 +139,8 @@
     "\n",
     "**NOTE**: It is vital that you restart the kernel and clear all outputs. The processing scripts will throw an error if you do not, and the workflow will **not** complete successfully.\n",
     "\n",
+    "**Be Careful**: Remeber to pull the lastest changes from github before you commit your work! This is important, a successful workflow execution will create new commits, and if you do not pull the those changes before your commit your local ones, there will be a commit history conflict; i.e you will not be able to push your changes.\n",
+    "\n",
     "\n",
     "How to restart kernel and clear all outputs:\n",
     "\n",