diff --git a/python/tools/tf_converter.py b/python/tools/tf_converter.py
index cfd7b7943498219ee2b1766032eb1a84857f7bde..8dd4d895d7a465612971fb5af86f8a6b8575a464 100644
--- a/python/tools/tf_converter.py
+++ b/python/tools/tf_converter.py
@@ -118,7 +118,7 @@ def parse_args():
     nargs='?',
     const=False,
     default=False,
-    help="obfuscate model names")
+    help="open winograd convolution or not")
   return parser.parse_known_args()