Minor text updates

Author: Leanne Guy

02_Intermediate_TAP_Query.ipynb

@@ -108,8 +108,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Utility functions for working with the TAP service\n",
-    "from rubin_jupyter_utils.lab.notebook import get_tap_service, retrieve_query\n",
+    "# Import the Rubin TAP service utilities \n",
+    "from rubin_jupyter_utils.lab.notebook import get_tap_service, retrieve_query    \n",
+    "\n",
+    "# Get an instance the TAP service \n",
     "service = get_tap_service()\n",
     "assert service is not None"
    ]