diff --git a/src/sage/combinat/designs/latin_squares.py b/src/sage/combinat/designs/latin_squares.py
index 4ae39c1884e..27452495862 100644
--- a/src/sage/combinat/designs/latin_squares.py
+++ b/src/sage/combinat/designs/latin_squares.py
@@ -75,7 +75,7 @@
       0|                                                           +               +
      20|
      40|
-     60|    
+     60|
      80|
     100|
     120|