translations PR 20170814 (#7210)

i18n/nl.json

@@ -6541,7 +6541,7 @@
   },
   {
     "id": "utils.config.supported_server_locale.app_error",
-    "translation": "Unable to load mattermost configuration file:  DefaultServerLocale must be one of the supported locales"
+    "translation": "Unable to load mattermost configuration file:  DefaultServerLocale must be one of the supported locales. Setting DefaultServerLocale to en as default value."
   },
   {
     "id": "utils.config.validate_locale.app_error",