diff --git a/test/completion/stdlib.py b/test/completion/stdlib.py
index 30d7ce07..b2197702 100644
--- a/test/completion/stdlib.py
+++ b/test/completion/stdlib.py
@@ -101,7 +101,7 @@ for a in re.finditer('a', 'a'):
     #? int()
     a.start()
 
-#? str()
+#? str() bytes()
 re.sub('a', 'a')
 
 # -----------------