diff --git a/skimage/filter/rank/generic.py b/skimage/filter/rank/generic.py
index 5ed9a46b..50c9a370 100644
--- a/skimage/filter/rank/generic.py
+++ b/skimage/filter/rank/generic.py
@@ -250,7 +250,7 @@ def maximum(image, selem, out=None, mask=None, shift_x=False, shift_y=False):
     Note
     ----
     * the lower algorithm complexity makes the rank.maximum() more efficient
-    for larger images and structuring elements
+      for larger images and structuring elements
 
     """