clarify that we're using Colab vs. Jupyter

Author: afeld

hw_2.ipynb

@@ -94,7 +94,7 @@
    "source": [
     "### Step 1\n",
     "\n",
-    "[Load it into Jupyter.](https://python-public-policy.afeld.me/en/{{school_slug}}/assignments/open_ended.html#storing-data)\n"
+    "[Load the data.](https://python-public-policy.afeld.me/en/{{school_slug}}/assignments/open_ended.html#storing-data)\n"
    ]
   },
   {
@@ -122,7 +122,7 @@
    "source": [
     "### Step 2\n",
     "\n",
-    "Open the [Population by Borough](https://data.cityofnewyork.us/City-Government/New-York-City-Population-by-Borough-1950-2040/xywu-7bv9) dataset and [load it into Jupyter](https://python-public-policy.afeld.me/en/{{school_slug}}/assignments/open_ended.html#storing-data).\n"
+    "[Load](https://python-public-policy.afeld.me/en/{{school_slug}}/assignments/open_ended.html#storing-data) the [Population by Borough](https://data.cityofnewyork.us/City-Government/New-York-City-Population-by-Borough-1950-2040/xywu-7bv9) dataset.\n"
    ]
   },
   {