From 8ac245a7d4c63cb59bfb000a87c13fc1440cb340 Mon Sep 17 00:00:00 2001
From: Brian Hulette <bhulette@google.com>
Date: Mon, 28 Jun 2021 14:27:00 -0700
Subject: [PATCH] DOC: Only include numpy.std() note for std(), not all ddof

---
 pandas/core/generic.py | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pandas/core/generic.py b/pandas/core/generic.py
index 5bd845534fc96..d27cf5e3a28bb 100644
--- a/pandas/core/generic.py
+++ b/pandas/core/generic.py
@@ -10557,6 +10557,7 @@ def mad(self, axis=None, skipna=None, level=None):
             name1=name1,
             name2=name2,
             axis_descr=axis_descr,
+            notes="",
         )
         def sem(
             self,
@@ -10578,6 +10579,7 @@ def sem(
             name1=name1,
             name2=name2,
             axis_descr=axis_descr,
+            notes="",
         )
         def var(
             self,
@@ -10600,6 +10602,7 @@ def var(
             name1=name1,
             name2=name2,
             axis_descr=axis_descr,
+            notes=_std_notes,
         )
         def std(
             self,
@@ -11090,12 +11093,16 @@ def _doc_params(cls):
 
 Returns
 -------
-{name1} or {name2} (if level specified)
+{name1} or {name2} (if level specified) \
+{notes}
+"""
+
+_std_notes = """
 
 Notes
 -----
 To have the same behaviour as `numpy.std`, use `ddof=0` (instead of the
-default `ddof=1`)\n"""
+default `ddof=1`)"""
 
 _bool_doc = """
 {desc}