diff --git a/esphome/__main__.py b/esphome/__main__.py
index 00770d6f05..80e8455465 100644
--- a/esphome/__main__.py
+++ b/esphome/__main__.py
@@ -776,7 +776,10 @@ def parse_args(argv):
         "configuration", help="Your YAML configuration file(s).", nargs=1
     )
 
-    parser_rename = subparsers.add_parser("rename")
+    parser_rename = subparsers.add_parser(
+        "rename",
+        help="Rename a device in YAML, compile the binary and upload it.",
+    )
     parser_rename.add_argument(
         "configuration", help="Your YAML configuration file.", nargs=1
     )