diff --git a/nodemgmt-scripts.sh b/nodemgmt-scripts.sh
index 41e8f140..98f21ecf 100755
--- a/nodemgmt-scripts.sh
+++ b/nodemgmt-scripts.sh
@@ -316,6 +316,19 @@ NEWSITE(){
 			-proxy_scheme) PROXYSCHEME=${2};;
 			-proxy_host) PROXYHOST=${2};;
 			-proxy_port) PROXYPORT=${2};;
+			-*)
+				echo "Missing arguments"
+				echo ""
+				echo -e "Usage: ${idsCL[Yellow]}nodemgmt newcert${idsCL[Default]} {"
+				width=33
+				printf "%-${width}s- %s\n" "    -site {FQDN address(,es)}" "new site domain"
+				printf "%-${width}s- %s\n" "    -ssl {true or false}" "(defaults to true)"
+				printf "%-${width}s- %s\n" "    -type {'local' or 'proxy'}" "(defaults to local)"
+				printf "%-${width}s- %s\n" "    -scheme {http or https}" "(required if type set to proxy)"
+				printf "%-${width}s- %s\n" "    -host {IP or FQDN}" "(required if type set to proxy)"
+				printf "%-${width}s- %s\n" "    -port {host port}" "(required if type set to proxy)"
+				echo "}"
+				exit 1;;
 		esac
 		shift
 	done