Editing Template:Wikipedia equivalent

<includeonly>''This {{{subject|article}}} has [[wikipedia:{{{1|{{PAGENAME}}}}}|a Wikipedia equivalent]].''</includeonly><noinclude><TemplateData>
{
  "description": "Displays a note that the subject has an equivalent article on Wikipedia.",
  "params": {
    "1": {
      "label": "Wikipedia page",
      "description": "The exact title of the equivalent Wikipedia page. Defaults to the current page's title, but relying on this default is not recommended in case the current page is renamed.",
      "type": "string",
      "required": false,
      "example": "Tyne and Wear Metro"
    },
    "subject": {
      "label": "Subject",
      "description": "The subject shown in the message.",
      "type": "string",
      "required": false,
      "default": "article",
      "example": "section"
    }
  }
}
</TemplateData>
</noinclude>