diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py
index 30ce730562..1c610eebb6 100755
--- a/cura/CuraApplication.py
+++ b/cura/CuraApplication.py
@@ -628,6 +628,8 @@ class CuraApplication(QtApplication):
         # Peek the arguments and look for the 'single-instance' flag.
         parser = argparse.ArgumentParser(prog="cura")  # pylint: disable=bad-whitespace
         CuraApplication.addCommandLineOptions(parser)
+        # Important: It is important to keep this line here!
+        #            In Uranium we allow to pass unknown arguments to the final executable or script.
         parsed_command_line = vars(parser.parse_args())
 
         if parsed_command_line["single_instance"]: