From 227211fec7725c316dfd6041b19768e9f4996341 Mon Sep 17 00:00:00 2001
From: arokem <arokem@gmail.com>
Date: Wed, 23 Dec 2015 14:22:57 -0800
Subject: [PATCH] DOC: Small one. The input to this one needs to be 2D.

---
 skimage/morphology/convex_hull.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/skimage/morphology/convex_hull.py b/skimage/morphology/convex_hull.py
index bb9ca734..5cb675a3 100644
--- a/skimage/morphology/convex_hull.py
+++ b/skimage/morphology/convex_hull.py
@@ -85,7 +85,7 @@ def convex_hull_object(image, neighbors=8):
 
     Parameters
     ----------
-    image : ndarray
+    image : (M, N) array
         Binary input image.
     neighbors : {4, 8}, int
         Whether to use 4- or 8-connectivity.