slight reword and add another missing description

Author: PaulAngus

ui/l10n/en.js

@@ -796,7 +796,7 @@ var dictionary = {
 "label.gateway":"Gateway",
 "label.general.alerts":"General Alerts",
 "label.generating.url":"Generating URL",
-"label.get.diagnostics.desc":"If you wish to override the standard file returned enter them here, otherwise leave blank and press OK",
+"label.get.diagnostics.desc":"If you wish to override the standard files returned, enter them here. Otherwise leave blank and press OK",
 "label.get.diagnostics.files":"Alternate Files to Retrieve",
 "label.globo.dns":"GloboDNS",
 "label.globo.dns.configuration":"GloboDNS Configuration",

ui/scripts/system.js

@@ -11803,7 +11803,7 @@
                                 },
                                 createForm: {
                                     title: 'label.action.get.diagnostics',
-                                    desc: '',
+                                    desc: 'label.get.diagnostics.desc',
                                     fields: {
                                         files: {
                                             label: 'label.get.diagnostics.files'