diff --git a/lustre/utils/mount_lustre.c b/lustre/utils/mount_lustre.c
index 0e082468d069f959b83005a9d618cd72f366337d..8bfddf2b45e8172a3e8f6583eb9bcf2cc322cf99 100644
--- a/lustre/utils/mount_lustre.c
+++ b/lustre/utils/mount_lustre.c
@@ -88,6 +88,7 @@ void usage(FILE *out)
                 "\t-v|--verbose: print verbose config settings\n"
                 "\t<mntopt>: one or more comma separated of:\n"
                 "\t\t(no)flock,(no)user_xattr,(no)acl\n"
+                "\t\tabort_recov: abort server recovery handling\n"
                 "\t\tnosvc: only start MGC/MGS obds\n"
                 "\t\tnomgs: only start target obds, using existing MGS\n"
                 "\t\texclude=<ostname>[:<ostname>] : colon-separated list of "