diff --git a/pandas/core/series.py b/pandas/core/series.py
index 2b972d33d7cdd..db274f37f5889 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -1471,6 +1471,10 @@ def to_markdown(
         str
             {klass} in Markdown-friendly format.
 
+        Notes
+        -----
+        Requires the `tabulate <https://pypi.org/project/tabulate>`_ package.
+
         Examples
         --------
         >>> s = pd.Series(["elk", "pig", "dog", "quetzal"], name="animal")