diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 800e881..4d0ddf7 100755
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -30,9 +30,9 @@ def get_argparser():
         "--connect",
         default=None,
         action="store_true",
-        help="Automatically connect to the specified Thermostat in IP:port format",
+        help="Automatically connect to the specified Thermostat in host:port format",
     )
-    parser.add_argument("IP", metavar="ip", default=None, nargs="?")
+    parser.add_argument("HOST", metavar="host", default=None, nargs="?")
     parser.add_argument("PORT", metavar="port", default=None, nargs="?")
     parser.add_argument(
         "-l",