diff --git a/doc/examples/color_exposure/plot_adapt_rgb.py b/doc/examples/color_exposure/plot_adapt_rgb.py
index 24d8f078..64b2d00b 100644
--- a/doc/examples/color_exposure/plot_adapt_rgb.py
+++ b/doc/examples/color_exposure/plot_adapt_rgb.py
@@ -49,7 +49,8 @@ image = data.astronaut()
 
 fig = plt.figure(figsize=(14, 7))
 ax_each = fig.add_subplot(121, adjustable='box-forced')
-ax_hsv = fig.add_subplot(122, sharex=ax_each, sharey=ax_each, adjustable='box-forced')
+ax_hsv = fig.add_subplot(122, sharex=ax_each, sharey=ax_each,
+                         adjustable='box-forced')
 
 # We use 1 - sobel_each(image)
 # but this will not work if image is not normalized
@@ -107,7 +108,8 @@ def sobel_gray(image):
     return filters.sobel(image)
 
 fig = plt.figure(figsize=(7, 7))
-ax = fig.add_subplot(111, sharex=ax_each, sharey=ax_each, adjustable='box-forced')
+ax = fig.add_subplot(111, sharex=ax_each, sharey=ax_each,
+                     adjustable='box-forced')
 
 # We use 1 - sobel_gray(image)
 # but this will not work if image is not normalized