cli_function: clarify copyright

release-download-latest

@@ -17,6 +17,8 @@ https://stackoverflow.com/questions/24987542/is-there-a-link-to-github-for-downl
         )
 
     def timed_main(self):
+        # This would be better, but impossible:
+        # https://stackoverflow.com/questions/51212/how-to-write-a-download-progress-indicator-in-python
         self.log_info('Downloading the release, this may take several seconds / a few minutes.')
         _json = self.github_make_request(path='/releases')
         asset = _json[0]['assets'][0]