{
             "brand": "LG",
             "colour": "Black",
             "item height": "14 Millimeters",
             "item width": "14.1 Centimeters",
             "item weight": "200 g",
             "product dimensions": "13.5 x 14.1 x 1.4 cm",
             "item model number": "GP65NB60",
             "included components": "Power2Go, PowerBackup, YouCam, LabelPrint and Norton internet security (60 days trial)"
          }
``

How to update key ex brand to brands using update query in mongodb.