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-rw-r--r--prolog/problems/family_relations/brother_2/en.py2
-rw-r--r--prolog/problems/family_relations/brother_2/sl.py2
2 files changed, 2 insertions, 2 deletions
diff --git a/prolog/problems/family_relations/brother_2/en.py b/prolog/problems/family_relations/brother_2/en.py
index a461ba8..b159446 100644
--- a/prolog/problems/family_relations/brother_2/en.py
+++ b/prolog/problems/family_relations/brother_2/en.py
@@ -4,7 +4,7 @@ name = 'brother/2'
slug = 'the brother relation'
description = '''\
-<p><code>brother(X, Y)</code>: <code>X</code> is a brother of <code>Y</code>.</p>
+<p><code>brother(?X, ?Y)</code>: <code>X</code> is a brother of <code>Y</code>.</p>
<pre>
?- brother(jeffrey, X).
X = william ;
diff --git a/prolog/problems/family_relations/brother_2/sl.py b/prolog/problems/family_relations/brother_2/sl.py
index 29ec289..6d45111 100644
--- a/prolog/problems/family_relations/brother_2/sl.py
+++ b/prolog/problems/family_relations/brother_2/sl.py
@@ -4,7 +4,7 @@ name = 'brother/2'
slug = 'X je brat od Y'
description = '''\
-<p><code>brother(X, Y)</code>: <code>X</code> je brat od <code>Y</code>.</p>
+<p><code>brother(?X, ?Y)</code>: <code>X</code> je brat od <code>Y</code>.</p>
<pre>
?- brother(jeffrey, X).
X = william ;