Description Field not showing when post with linkedin Share API

{ "comment": "Here is my comment", "content": { "title": "Here is my title", "description": "Description: The picture will be of a blue and gold macaw", "submitted-url": "https://en.wikipedia.org/wiki/Macaw",
"submitted-image-url": "http://yourshot.nationalgeographic.com/u/ss/fQYSUbVfts-T7pS2VP2wnKyN8wxywmXtY0-FwsgxoJBD4C1qJrqA8EfaP7jL8gZYg0MJlb9NNBxrHhmaSdwF/" }, "visibility": { "code": "anyone" }
}