From 072eb7640a42b249633f3f495156a3d8a203300e Mon Sep 17 00:00:00 2001
From: Juan Nunez-Iglesias <jni@janelia.hhmi.org>
Date: Sun, 25 Aug 2013 11:06:31 +0200
Subject: [PATCH] Add docstring note explaining coord use case

---
 skimage/util/unique.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/skimage/util/unique.py b/skimage/util/unique.py
index ecd6e8cc..e65c05ce 100644
--- a/skimage/util/unique.py
+++ b/skimage/util/unique.py
@@ -4,6 +4,9 @@ import numpy as np
 def unique_rows(ar):
     """Remove repeated rows from a 2D array.
 
+    In particular, if given an array of coordinates of shape
+    (Npoints, Ndim), it will remove repeated points.
+
     Parameters
     ----------
     ar : 2D np.ndarray