From f70c6a61f4188023a2ba1462a4b3d68a64e840bf Mon Sep 17 00:00:00 2001
From: sg <ronnie.ghose@gmail.com>
Date: Fri, 19 Jul 2013 22:13:11 -0400
Subject: [PATCH] updated gaussian doc

---
 skimage/filter/lpi_filter.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/skimage/filter/lpi_filter.py b/skimage/filter/lpi_filter.py
index b3755a8b..02bbb354 100644
--- a/skimage/filter/lpi_filter.py
+++ b/skimage/filter/lpi_filter.py
@@ -66,9 +66,9 @@ class LPIFilter2D(object):
         --------
 
         Gaussian filter:
-
-        >>> def filt_func(r, c):
-        ...     return np.exp(-np.hypot(r, c)/1)
+	Use a 1-D gaussian in each direction without normalization coefficients:
+        >>> def filt_func(r, c, sigma = 1):
+        ...     return np.exp(-np.hypot(r, c)/sigma)
         >>> filter = LPIFilter2D(filt_func)
 
         """