diff --git a/locust/argument_parser.py b/locust/argument_parser.py
index 5abe6b8376..3c13bf3a3b 100644
--- a/locust/argument_parser.py
+++ b/locust/argument_parser.py
@@ -469,7 +469,7 @@ def setup_parser_arguments(parser):
         action="store_true",
         default=False,
         dest="enable_rebalancing",
-        help="Allow to automatically rebalance users if new workers are added after ramp up completed.",
+        help="Allow to automatically rebalance users if new workers are added or removed during a test run.",
     )
 
     user_classes_group = parser.add_argument_group("User classes")