How to update a object inside array which is present in a object which is present in an array in mongoose?

I’ve got a document like this,

[
    {
        "id": 1,
        "comments": [
            {
                "mail": "raj@gmail.com",
                "Comment": "This product well worth the money"
            }
            {
                "mail": "janu@gmail.com",
                "Comment": "Excellent Product"
            }
        ]
    },

    {
        "id": 2,
        "comments": [
            {
                "mail": "raj@gmail.com",
                "Comment": "This product well worth the money"
            }
            {
                "mail": "janu@gmail.com",
                "Comment": "Excellent Product"
            }
        ]
    }
]

Now I need to change only the Comment with mail "raj@gmail.com" which is inside the comments array of the object having the id "1".

So the hierarchy looks like,

1. Find Object with id:1
2. Find an object with mail:raj@gmail.com inside comments array,
3. Update the Comment of the particular Object

This is the query I tried to update but doesn’t work

  modal.findOneAndUpdate(
      { id: 1, comments: { mail: "raj@gmail.com"} },
      {
        $set: {
          "comments.$.Comment": "New Comment",
        },
      }
    );

>Solution :

change comments: { mail: "raj@gmail.com"} to 'comments.mail': "raj@gmail.com"