Show doc format options in help

diff --git a/mkosi/config.py b/mkosi/config.py
index 00724f3c6b4c7e2a84b0466e33ea0cf790f85b2d..cfa606a78495fe39056f5ebb4c838c26b3ef73d3 100644 (file)
--- a/mkosi/config.py
+++ b/mkosi/config.py
@@ -3307,6 +3307,7 @@ def create_argument_parser(chdir: bool = True) -> argparse.ArgumentParser:
         help="The format to show documentation in",
         default=DocFormat.auto,
         type=DocFormat,
+        choices=list(DocFormat),
     )
     parser.add_argument(
         "--shell-completion",