update text

Author: Pearl1594

ui/public/locales/en.json

@@ -15,8 +15,8 @@
 "error.release.dedicate.zone": "Failed to release dedicated zone.",
 "error.unable.to.proceed": "Unable to proceed. Please contact your administrator.",
 "firewall.close": "Firewall",
-"icmp.code.desc": "Please specify -1 if you want to allow all ICMP codes for non-NSX zones.",
-"icmp.type.desc": "Please specify -1 if you want to allow all ICMP types for non-NSX zones.",
+"icmp.code.desc": "Please specify -1 if you want to allow all ICMP codes (except NSX zones).",
+"icmp.type.desc": "Please specify -1 if you want to allow all ICMP types (except NSX zones).",
 "inline": "Inline",
 "label.about": "About",
 "label.about.app": "About CloudStack",