Update notebooks/09.Build-complex-libs/06.00-Build-complex-libraries.ipynb

Co-authored-by: Matt Craig <[email protected]>

Author: ibdafna

notebooks/09.Build-complex-libs/06.00-Build-complex-libraries.ipynb

@@ -157,7 +157,7 @@
     "        self.dataframe = data\n",
     "        self.datagrid = self.process_data(data)\n",
     "        self.chart = Chart()\n",
-    "        self.app_title = HTML(value=f\"<h1 style='color: salmon'>{application_title}</h1>\")\n",
+    "        self.app_title = HTML(value=f\"<h1 style='color: salmon'>{application_title}</h1><h2>Select a column to plot it</h2>\")\n",
     "        self.run_application()\n",
     "        \n",
     "    def process_data(self, dataframe):\n",