diff --git a/localization/autoware_localization_evaluation_scripts/README.md b/localization/autoware_localization_evaluation_scripts/README.md
index 95f33160..d037da7b 100644
--- a/localization/autoware_localization_evaluation_scripts/README.md
+++ b/localization/autoware_localization_evaluation_scripts/README.md
@@ -24,8 +24,7 @@ $HOME/driving_log_replayer_v2/out/latest/result_bag
 ```bash
 ros2 run autoware_localization_evaluation_scripts plot_diagnostics.py \
    <rosbag_path> \
-   --save_dir=/your/path (default:rosbag_path/../) \
-   --storage=mcap (default:sqlite3)
+   --save_dir=/your/path (default:rosbag_path/../)
 ```
 
 [Example]