update script usage example
@@ -46,10 +46,11 @@ def parse_args(args=None):
When running against Docker Hub, suggest usage like:
- python buildscripts/testclient.py \\
+ python buildscripts/testchangefeed.py \\
-s https://notary.docker.io \\
-r docker.io/username/reponame \\
-u username
+ -p password
Note that especially for Docker Hub, the repo has to have been already
