Could not read settings file ***\lean as it does not exists

when use gradle to build Android, i forgot to add a “-” minus character before clean task, and the gradle raise an error as what the topic title showed.

E:\prc\FileBrowser>gradle -clean
To honour the JVM settings for this build a new JVM will be forked. Please consi
der using the daemon: https://docs.gradle.org/2.9/userguide/gradle_daemon.html.

FAILURE: Build failed with an exception.

  • What went wrong:
    Could not read settings file ‘E:\prc\FileBrowser\lean’ as it does not exist.

  • Try:
    Run with --stacktrace option to get the stack trace. Run with --info or --debug
    option to get more log output.

BUILD FAILED

Total time: 7.574 secs

So there maybe not a bug, but what my opinion is the tips should be more correct and apporpriate for user when who type a woring parms like me.