fixed typos

Author: CMPeng

samples/04_gis_analysts_data_scientists/finding_a_new_home.ipynb

@@ -63,7 +63,7 @@
    "source": [
     "## Selling your home\n",
     "\n",
-    "Execute the following command to install the openpyxl library if not already:\n",
+    "Execute the following command to install the openpyxl library if not already. This package is used to read from any Excel or CSV files.\n",
     "```\n",
     "!pip install openpyxl\n",
     "```"
@@ -73,7 +73,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Also, when `matplotlib` is not present, run the following command to have it install:\n",
+    "Also, when `matplotlib` is not present, run the following command to have it installed or upgraded:\n",
     "```\n",
     "import sys \n",
     "!{sys.executable} -m pip install matplotlib\n",
@@ -2759,7 +2759,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "When arcpy is present, the `import_data` will upload the local SeDF as a FGDB to your organization, and publish to a hosted feature layer; On the ther hand, when arcpy is not present, then the `import_data` method would have the local SeDF upload to your organization as a shapefile, and then publish as a hosted Feature Layer. This minor difference will result in column/property name differences from what's defined in the original SeDF.\n",
+    "When arcpy is present, the `import_data` will upload the local SeDF (Spatially Enabled DataFrame) as a FGDB (File geodatabase) to your organization, and publish to a hosted feature layer; On the other hand, when arcpy is not present, then the `import_data` method would have the local SeDF upload to your organization as a shapefile, and then publish as a hosted Feature Layer. This minor difference will result in column/property name differences from what's defined in the original SeDF.\n",
     "\n",
     "The `has_arcpy` flag is to be used in determine which naming convention the newly created Feature Layer would be conforming to, when we are adding the Feature Layer for display based on variables."
    ]