add new translation key

customize.dist/translations/messages.es.js

@@ -407,6 +407,8 @@ define(function () {
     out.deleted = "El pad fue borrado de tu CryptDrive";
     out.upgrade = "Mejorar";
     out.upgradeTitle = "Mejora tu cuenta para obtener más espacio";
+    out.upgradeAccount = "Mejorar cuenta";
+
     out.MB = "MB";
     out.GB = "GB";
     out.KB = "KB";

customize.dist/translations/messages.js

@@ -62,6 +62,8 @@ define(function () {
 
     out.upgrade = "Upgrade";
     out.upgradeTitle = "Upgrade your account to increase the storage limit";
+
+    out.upgradeAccount = "Upgrade account";
     out.MB = "MB";
     out.GB = "GB";
     out.KB = "KB";