From 84bf4880ff96eb209ccd9624331767aa07caad34 Mon Sep 17 00:00:00 2001
From: Michal Sojka <michal.sojka@cvut.cz>
Date: Wed, 18 Sep 2024 10:03:00 +0200
Subject: [PATCH] Update --help

---
 README.md          | 4 ++--
 ros2nix/ros2nix.py | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 823db36..4c5370e 100644
--- a/README.md
+++ b/README.md
@@ -89,10 +89,10 @@ usage: ros2nix [-h]
                [--extra-native-build-inputs DEP1,DEP2,...] [--flake]
                [--nixfmt] [--compare] [--copyright-holder COPYRIGHT_HOLDER]
                [--license LICENSE]
-               source [source ...]
+               package.xml [package.xml ...]
 
 positional arguments:
-  source                Path to package.xml
+  package.xml           Path to package.xml
 
 options:
   -h, --help            show this help message and exit
diff --git a/ros2nix/ros2nix.py b/ros2nix/ros2nix.py
index 018d8af..34e3673 100755
--- a/ros2nix/ros2nix.py
+++ b/ros2nix/ros2nix.py
@@ -181,7 +181,7 @@ def ros2nix(args):
     parser = argparse.ArgumentParser(
         prog="ros2nix", formatter_class=argparse.ArgumentDefaultsHelpFormatter
     )
-    parser.add_argument("source", nargs="+", help="Path to package.xml")
+    parser.add_argument("source", nargs="+", metavar="package.xml", help="Path to package.xml")
 
     group = parser.add_mutually_exclusive_group()
     group.add_argument("--output", default="package.nix", help="Output filename")