message: fix docs string
diff: @@ -106,7 +106,7 @@ pub unsafe extern "C" fn xaynet_ffi_participant_new(settings: *const Settings) -
  }
  }
  -/// Drive the participant internal state machine. Every tick, the state machine tries
  +/// Drive the participant internal state machine. Every tick, the state machine
  /// attempts to perform a small work unit.
  ///
  /// # Return value
  