diff --git a/train_network.py b/train_network.py
index e3ce7bd3..f5617986 100644
--- a/train_network.py
+++ b/train_network.py
@@ -1064,7 +1064,7 @@ def setup_parser() -> argparse.ArgumentParser:
     parser.add_argument(
         "--masked_loss",
         action="store_true",
-        help="apply mask for caclulating loss. conditioning_data_dir is required for dataset. / 損失計算時にマスクを適用する。datasetにはconditioning_data_dirが必要",
+        help="apply mask for calculating loss. conditioning_data_dir is required for dataset. / 損失計算時にマスクを適用する。datasetにはconditioning_data_dirが必要",
     )
     return parser