ethtool.8: formatting follow-up fix

The "--groups ..." line describes options for -S subcommand so that it should
follow the indentation of "--all-groups" rather than being indented as a new
subcommand.

Fixes: f9081773be8f ("ethtool.8: fix man page errors")
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
1 file changed