diff --git a/ui/public/locales/en.json b/ui/public/locales/en.json
index bb7d79b9d035..8c4eadd73dfd 100644
--- a/ui/public/locales/en.json
+++ b/ui/public/locales/en.json
@@ -2223,14 +2223,14 @@
 "label.vnf.cidr.list": "CIDR from which access to the VNF appliance’s Management interface should be allowed from",
 "label.vnf.cidr.list.tooltip": "the CIDR list to forward traffic from to the VNF management interface. Multiple entries must be separated by a single comma character (,). The default value is 0.0.0.0/0.",
 "label.vnf.configure.management": "Configure Firewall and Port Forwarding rules for VNF's management interfaces",
-"label.vnf.configure.management.tooltip": "True by default, security group or network rules (source nat and firewall rules) will be configured for VNF management interfaces. False otherwise.",
+"label.vnf.configure.management.tooltip": "True by default, security group or network rules (source nat and firewall rules) will be configured for VNF management interfaces. False otherwise. Learn what rules are configured at http://docs.cloudstack.apache.org/en/latest/adminguide/networking/vnf_templates_appliances.html#deploying-vnf-appliances",
 "label.vnf.detail.add": "Add VNF detail",
 "label.vnf.detail.remove": "Remove VNF detail",
 "label.vnf.details": "VNF Details",
 "label.vnf.nic.add": "Add VNF nic",
 "label.vnf.nic.delete": "Delete VNF nic",
 "label.vnf.nic.description": "Description of VNF nic",
-"label.vnf.nic.deviceid": "Device ID of VNF nic. It starts with 0",
+"label.vnf.nic.deviceid": "Device ID of VNF nic. It starts with 0. The NIC with deviceid as 0 for VNF appliance will be the default NIC.",
 "label.vnf.nic.edit": "Edit VNF nic",
 "label.vnf.nic.management": "Management NIC",
 "label.vnf.nic.management.description": "True if the VNF nic is a management interface. False otherwise",
@@ -3201,7 +3201,7 @@
 "message.vm.state.stopped": "Instance is stopped.",
 "message.vm.state.stopping": "Instance is being stopped.",
 "message.vm.state.unknown": "Instance state is unknown.",
-"message.vnf.appliance.networks": "Please select Networks for the new VNF appliance.",
+"message.vnf.appliance.networks": "Please select the networks for the new VNF appliance.",
 "message.vnf.credentials.change": "Please change the password(s) of the VNF appliance immediately.",
 "message.vnf.credentials.default": "The default credentials(s) of the VNF appliance",
 "message.vnf.credentials.in.template.vnf.details": "Please find the default credentials for this VNF in the details of the VNF template.",
@@ -3211,6 +3211,7 @@
 "message.vnf.error.no.network.for.required.deviceid": "Please select a Network for required NIC of the new VNF appliance.",
 "message.vnf.nic.move.up.fail": "Failed to move up this NIC",
 "message.vnf.nic.move.down.fail": "Failed to move down this NIC",
+"message.vnf.no.credentials": "No credentials found for the VNF appliance.",
 "message.vnf.select.networks": "Please select the relevant network for each VNF NIC.",
 "message.volume.state.allocated": "The volume is allocated but has not been created yet.",
 "message.volume.state.attaching": "The volume is attaching to a volume from Ready state.",
diff --git a/ui/src/views/compute/DeployVnfAppliance.vue b/ui/src/views/compute/DeployVnfAppliance.vue
index 888b5689416f..44039b319977 100644
--- a/ui/src/views/compute/DeployVnfAppliance.vue
+++ b/ui/src/views/compute/DeployVnfAppliance.vue
@@ -2315,7 +2315,11 @@ export default {
                 if (vm.password) {
                   credentials.push('New password : ' + vm.password)
                 }
-                credentials.push(this.$t('message.vnf.credentials.change'))
+                if (credentials.size > 0) {
+                  credentials.push(this.$t('message.vnf.credentials.change'))
+                } else {
+                  credentials.push(this.$t('message.vnf.no.credentials'))
+                }
                 this.$notification.success({
                   message: `${this.$t('message.vnf.credentials.default')} ` + name,
                   description: (<span v-html={credentials.join('<br>')}></span>),