reflect changes introduced in d2ffcd9 in docs

Docker-DCO-1.1-Signed-off-by: Brice Jaglin <bjaglin@teads.tv> (github: bjaglin)
on truncated output, show canonical name rather than first name

Docker-DCO-1.1-Signed-off-by: Brice Jaglin <bjaglin@teads.tv> (github: bjaglin)
Import ps name parsing for default name

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Merge pull request #8505 from crosbymichael/ps-name

Improve ps name parsing