update notebook to pip install all required packages and fix small change

Author: ehinman

demos/WaterData_demo.ipynb

@@ -87,20 +87,17 @@
    "metadata": {},
    "source": [
     "## Examples\n",
-    "Let's get into some examples using the functions listed above. First, we need to load the `waterdata` module and a few other packages and functions to go through the examples. To run the entirety of this notebook, you will need to install `dataretrieval`, `matplotlib`, and `geopandas` packages. `matplotlib` is needed to create the plots, and `geopandas` is needed to create the interactive maps."
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "cd626a14",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "# Install necessary packages to run notebook\n",
+    "Let's get into some examples using the functions listed above. First, we need to load the `waterdata` module and a few other packages and functions to go through the examples. To run the entirety of this notebook, you will need to install `dataretrieval`, `matplotlib`, and `geopandas` packages (plus dependencies). `matplotlib` is needed to create the plots, and `geopandas` is needed to create the interactive maps.\n",
+    "\n",
+    "Note that if you use conda rather than pip, you do not need to install folium and mapclassify separately, as they are included in the conda-forge geopandas install.\n",
+    "\n",
+    "```python\n",
     "!pip install dataretrieval\n",
     "!pip install matplotlib\n",
-    "!pip install geopandas"
+    "!pip install geopandas\n",
+    "!pip install folium\n",
+    "!pip install mapclassify\n",
+    "``` "
    ]
   },
   {
@@ -156,7 +153,7 @@
    "outputs": [],
    "source": [
     "streamflow_pcodes = pcodes[pcodes['parameter_name'].str.contains('streamflow|discharge', case=False, na=False)]\n",
-    "display(streamflow_pcodes[['parameter_code_id', 'parameter_name']])"
+    "display(streamflow_pcodes[['parameter_code', 'parameter_name']])"
    ]
   },
   {
@@ -599,7 +596,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "waterdata-demo",
+   "display_name": "waterdata-demo-pip",
    "language": "python",
    "name": "python3"
   },