From bf1a2a0d76a62f45a8264fe9d6a9a7994403afb4 Mon Sep 17 00:00:00 2001
From: Maximilian Albert <maximilian.albert@gmail.com>
Date: Sat, 1 Aug 2015 21:39:48 +0100
Subject: [PATCH] Clarify in docstring that Series.sort_index() creates a new
 instance (rather than sorting in-place).

---
 pandas/core/series.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pandas/core/series.py b/pandas/core/series.py
index 506aa1a6eb51e..3c4ccb131ffff 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -1582,7 +1582,8 @@ def update(self, other):
 
     def sort_index(self, ascending=True):
         """
-        Sort object by labels (along an axis)
+        Sort object by labels (along an axis). Creates a new instance (i.e.
+        does not sort in-place).
 
         Parameters
         ----------