diff --git a/pandas/core/generic.py b/pandas/core/generic.py
index e22f9567ee955..6c8780a0fc186 100644
--- a/pandas/core/generic.py
+++ b/pandas/core/generic.py
@@ -10832,7 +10832,12 @@ def _doc_parms(cls):
 
 Returns
 -------
-%(name1)s or %(name2)s (if level specified)\n"""
+%(name1)s or %(name2)s (if level specified)
+
+Notes
+-----
+To have the same behaviour as `numpy.std`, use `ddof=0` (instead of the
+default `ddof=1`)\n"""
 
 _bool_doc = """
 %(desc)s