Remove space-padding from <pre> blocks

1 files changed, 4 insertions, 4 deletions

diff --git a/prolog/problems/lists/palindrome_1/en.py b/prolog/problems/lists/palindrome_1/en.py
index 7f30f8e..48ee8ac 100644
--- a/prolog/problems/lists/palindrome_1/en.py
+++ b/prolog/problems/lists/palindrome_1/en.py
@@ -6,10 +6,10 @@ slug = 'check if list is a palindrome'
 description = '''\
 <p><code>palindrome(L)</code>: the elements of list <code>L</code> are the same when read from the front or back of the list.</p>
 <pre>
-  ?- palindrome([1,2,3,2,1]).
-    true.
-  ?- palindrome([1,2,3]).
-    false.
+?- palindrome([1,2,3,2,1]).
+  true.
+?- palindrome([1,2,3]).
+  false.
 </pre>'''
 
 hint = {}