diff --git a/notebooks/covidtracking.ipynb b/notebooks/covidtracking.ipynb
index 48108754cda7718a1145a680b235f34e76410557..27b2d0d27d96330592f219d7a5f44946fba3a9b3 100644
--- a/notebooks/covidtracking.ipynb
+++ b/notebooks/covidtracking.ipynb
@@ -212,7 +212,7 @@
     "\n",
     "#Finally, lets show the chart!\n",
     "\n",
-    "chart = alt.layer(lineChart, ruleChart, labelChart, selectors, text, data=deceased10_df)\n",
+    "chart = alt.layer(lineChart, selectors, text, data=deceased10_df)\n",
     "\n",
     "display(chart)\n",
     "display(html_credits)"
@@ -232,7 +232,7 @@
     "    columns =['labelX', 'labelY','labelText']\n",
     ")\n",
     "\n",
-    "startCase = 10000\n",
+    "startCase = 100000\n",
     "\n",
     "# make dataframe with only points >=100 positives\n",
     "positive100_df = data_df.loc[data_df['positive']>=startCase]\n",
@@ -255,8 +255,8 @@
     "\n",
     "    \n",
     "# Now create plotlines for each state since 10 deaths\n",
-    "lineChart = alt.Chart(positive100_df, title=\"US States: total cases since 10000th case\").mark_line(interpolate='basis').encode(\n",
-    "    alt.X('sinceDay0:Q', axis=alt.Axis(title='Days since 10000th case')),\n",
+    "lineChart = alt.Chart(positive100_df, title=f\"US States: total cases since {startCase}th case\").mark_line(interpolate='basis').encode(\n",
+    "    alt.X('sinceDay0:Q', axis=alt.Axis(title=f'Days since {startCase}th case')),\n",
     "    alt.Y('positive:Q',\n",
     "          axis = alt.Axis(title='Cumulative positive cases'),\n",
     "          scale=alt.Scale(type='log')),\n",
@@ -330,7 +330,7 @@
     "\n",
     "#Finally, lets show the chart!\n",
     "\n",
-    "chart = alt.layer(lineChart, ruleChart, labelChart, selectors, text, data=positive100_df)\n",
+    "chart = alt.layer(lineChart, selectors, text, data=positive100_df)\n",
     "#chart = alt.layer(lineChart, ruleChart, labelChart)\n",
     "chart.properties (width=400,height=800)\n",
     "display(chart)\n",