diff --git a/logtalk.html.markdown b/logtalk.html.markdown
index bff52cae..5a52bd3c 100644
--- a/logtalk.html.markdown
+++ b/logtalk.html.markdown
@@ -182,7 +182,7 @@ A message is valid if the corresponding predicate is declared (and the sender is
 ```logtalk
 :- object(foo).
 
-	:- public(bar).
+	:- public(bar/0).
 
 :- end_object.
 ```