diff --git a/modules/04-data-cleaning-exploration/lecture.ipynb b/modules/04-data-cleaning-exploration/lecture.ipynb
index 1f9317e..164372f 100644
--- a/modules/04-data-cleaning-exploration/lecture.ipynb
+++ b/modules/04-data-cleaning-exploration/lecture.ipynb
@@ -722,7 +722,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# show a pair plot of these SF tracts across these 4 variables\n",
+    "# show a pair plot of these places across these 3 variables\n",
     "cols = [\"cases_final\", \"deaths_final\", \"population\"]\n",
     "ax = sns.pairplot(df_covid[cols].dropna())"
    ]