diff --git a/src/ome2024_ngff_challenge/resave.py b/src/ome2024_ngff_challenge/resave.py
index 00aa3a4..3119477 100755
--- a/src/ome2024_ngff_challenge/resave.py
+++ b/src/ome2024_ngff_challenge/resave.py
@@ -680,7 +680,7 @@ def cli(subparsers: argparse._SubParsersAction):
         default=16,
         help="number of simultaneous write threads",
     )
-    parser.add_argument("--silent", action="store_true", help="Command returns nothing")
+    parser.add_argument("--silent", action="store_true", help="Command returns nothing; required for nextflow")
 
     # Very recommended metadata (SHOULD!)
     def license_action(group, arg: str, url: str, recommended: bool = True):