'tag:' appears twice in new note

[Tele-Pet]

Upon creating a new note, I'm seeing tags: twice. For example:

---
title: 
date: 2015-11-03 10:00:03
tags: 
tags:
---  

My preferences look like this:

{
  "root": "/Users/mbp/Dropbox/documents_dropbox/master_notes/",
  "archive_dir": ".archive",
  "jotter_color_scheme": "Packages/PlainNotes/Color Schemes/Sticky-Yellow.tmTheme",
  "jotter_date_format" :"%d %b %Y",
  "jotter_time_format": "%I:%M %p",
  "note_save_extension": "note",
  "note_file_extensions": ["md","note"],
  // "enable_yaml": true,
  "note_yaml" : ["tags"],
  "list_options" : {
    "display_modified_date": false,
    "display_folder": false,
    "display_full_path": false
  }
}

Is there a way to only tags: one time? Or, perhaps I'm understanding a function of having it there twice? Thanks

[Hualin]

remove "tag" from "note_yaml" then you got only one tags. I assume "tag" is hard-coded and the author forget it.