diff --git a/dvc/commands/update.py b/dvc/commands/update.py
index 7461cac9a..fcf9243f4 100644
--- a/dvc/commands/update.py
+++ b/dvc/commands/update.py
@@ -60,7 +60,7 @@ def add_parser(subparsers, parent_parser):
         "--no-download",
         action="store_true",
         default=False,
-        help="Update .dvc file hash value(s)"
+        help="Update .dvc file git revision/hash value(s)"
         " but do not download the file(s).",
     )
     update_parser.add_argument(