Fix gnt-group --help display
Fix gnt-group --help display

Copy-paste mismatch :)

Signed-off-by: Iustin Pop <acf83a5274f31a43af6b914614365999469c1a31@google.com>
Reviewed-by: Bernardo Dal Seno <bdalseno@google.com>
(cherry picked from commit 36c70d4ddc508dd1ffdcc806d617d5100f4cb265)

Signed-off-by: Iustin Pop <acf83a5274f31a43af6b914614365999469c1a31@google.com>
Reviewed-by: Michael Hanselmann <68b67885ff74281219b4a4be33cc20fd45078d7c@google.com>

ganeti-github-testing/ganeti-test-1,apyrgio/snf-ganeti,bitemyapp/ganeti,dimara/ganeti,yiannist/ganeti,ganeti/ganeti,mbakke/ganeti,grnet/snf-ganeti,apyrgio/ganeti,andir/ganeti,grnet/snf-ganeti,onponomarev/ganeti,ganeti/ganeti,ganeti/ganeti,leshchevds/ganeti,dimara/ganeti,onponomarev/ganeti,mbakke/ganeti,yiannist/ganeti,andir/ganeti,yiannist/ganeti,andir/ganeti,apyrgio/ganeti,ganeti-github-testing/ganeti-test-1,mbakke/ganeti,apyrgio/snf-ganeti,bitemyapp/ganeti,leshchevds/ganeti,leshchevds/ganeti