diff --git a/python/samba/netcmd/domain.py b/python/samba/netcmd/domain.py
index 8437455c6f8..fd26d939cf6 100644
--- a/python/samba/netcmd/domain.py
+++ b/python/samba/netcmd/domain.py
@@ -173,7 +173,7 @@ class cmd_domain_provision(Command):
     takes_options = [
          Option("--interactive", help="Ask for names", action="store_true"),
          Option("--domain", type="string", metavar="DOMAIN",
-                help="set domain"),
+                help="NetBIOS domain name to use"),
          Option("--domain-guid", type="string", metavar="GUID",
                 help="set domainguid (otherwise random)"),
          Option("--domain-sid", type="string", metavar="SID",