diff --git a/esileapclient/osc/v1/offer.py b/esileapclient/osc/v1/offer.py
index 714a0b9..d93c5d2 100644
--- a/esileapclient/osc/v1/offer.py
+++ b/esileapclient/osc/v1/offer.py
@@ -280,13 +280,13 @@ def get_parser(self, prog_name):
             "--end-time",
             dest="end_time",
             required=False,
-            help="Time when the offer will expire and no longer be 'available'.",
+            help="Time when the lease will end'.",
         )
         parser.add_argument(
             "--start-time",
             dest="start_time",
             required=False,
-            help="Time when the offer will be made 'available'.",
+            help="Time when the lease will begin.",
         )
         parser.add_argument(
             "--properties",