diff --git a/docs/stdlib/array.rst b/docs/stdlib/array.rst
index 84dfbc58847..9e800a55dfb 100644
--- a/docs/stdlib/array.rst
+++ b/docs/stdlib/array.rst
@@ -322,7 +322,7 @@ Reference
 
     .. code-block:: edgeql-repl
 
-        db> select to_str(['one', 'two', 'three'], ', ');
+        db> select array_join(['one', 'two', 'three'], ', ');
         {'one, two, three'}