Remove space-padding from <pre> blocks

1 files changed, 4 insertions, 4 deletions

diff --git a/prolog/problems/sorting/sins_3/en.py b/prolog/problems/sorting/sins_3/en.py
index 2d9cf98..db35da2 100644
--- a/prolog/problems/sorting/sins_3/en.py
+++ b/prolog/problems/sorting/sins_3/en.py
@@ -6,10 +6,10 @@ slug = 'insert an element at correct position into a sorted list'
 description = '''\
 <p><code>sins(X, SortedList, NewList)</code>: the list <code>NewList</code> is obtained by inserting <code>X</code> into <code>SortedList</code> at the correct position to preserve the non-decreasing order of elements.</p>
 <pre>
-  ?- sins(4, [1,2,3,5], L).
-    L = [1,2,3,4,5].
-  ?- sins(3, [1,2,3,4], L).
-    L = [1,2,3,3,4].
+?- sins(4, [1,2,3,5], L).
+  L = [1,2,3,4,5].
+?- sins(3, [1,2,3,4], L).
+  L = [1,2,3,3,4].
 </pre>'''
 
 hint = {}