Update usage

diff --git a/dsa-nagios-checks/checks/dsa-check-zone-rrsig-expiration b/dsa-nagios-checks/checks/dsa-check-zone-rrsig-expiration
index 45918a4..06c4ecc 100755 (executable)
--- a/dsa-nagios-checks/checks/dsa-check-zone-rrsig-expiration
+++ b/dsa-nagios-checks/checks/dsa-check-zone-rrsig-expiration
@@ -269,7 +269,7 @@ sub output {
 }
 
 sub usage {
-       print STDERR "usage: $0 [-d] [-t=<timeout>] <zone>\n";
+       print STDERR "usage: $0 [-d] [-w=<warn>] [-c=<crit>] [-t=<timeout>] <zone>\n";
        exit 3;
 }