By not specifying a specific tag, the example would download every Ubuntu tag that exists.

This oversight caused my machine to run out of disk space holding all the image diffs.

Signed-off-by: Brandon Jackson <[email protected]>

Author: usbrandon

README.md

@@ -22,7 +22,7 @@ client = docker.from_env()
 You can run containers:
 
 ```python
->>> client.containers.run("ubuntu", "echo hello world")
+>>> client.containers.run("ubuntu:latest", "echo hello world")
 'hello world\n'
 ```