Description

/cmd/compose/ps.go#L62 appears, at the time of writing, to have a typo in an error message:

return fmt.Errorf("unknow filter %s", parts[0])

Should this be "unknown filter" not "unknow filter"?

Steps to reproduce the issue:

1. Browse to

   compose/cmd/compose/ps.go

   Line 62 in 435387c

   return fmt.Errorf("unknow filter %s", parts[0])

2. Observe visually the apparent spelling mistake