diff --git a/Lib/dumbdbm.py b/Lib/dumbdbm.py
index b6b7fc3ff23..d0e1e31206b 100644
--- a/Lib/dumbdbm.py
+++ b/Lib/dumbdbm.py
@@ -166,5 +166,5 @@ def open(file, flag=None, mode=0666):
     will be modified by the prevailing umask).
 
     """
-    # flag, mode arguments are currently ignored
+    # flag argument is currently ignored
     return _Database(file, mode)