diff --git a/docs/reference-nb/datascience-reference.ipynb b/docs/reference-nb/datascience-reference.ipynb
index df5675b20..17ab3e6f0 100644
--- a/docs/reference-nb/datascience-reference.ipynb
+++ b/docs/reference-nb/datascience-reference.ipynb
@@ -4126,10 +4126,10 @@
     "### `tbl.sample()`\n",
     "\n",
     "```python\n",
-    "tbl.sample(n, with_replacement=True)\n",
+    "tbl.sample(k, with_replacement=True)\n",
     "```\n",
     "\n",
-    "Returns a new table with `n` rows that were randomly sampled from the original table. If `with_replacement` is true, sampling occurs with replacement. For sampling without replacement, set `with_replacement=False`.\n"
+    "Returns a new table with `k` rows that were randomly sampled from the original table. If `with_replacement` is true, sampling occurs with replacement. For sampling without replacement, set `with_replacement=False`.\n"
    ]
   },
   {